Dualism
Du´al•ism, n. [Cf. F. dualisme.] State of being dual or twofold; a twofold division; any system which is founded on a double principle, or a twofold distinction; as: (a) (Philos.) A view of man as constituted of two original and independent elements, as matter and spirit. (Theol.) (b) A system which accepts two gods, or two original principles, one good and the other evil. (c) The doctrine that all mankind are divided by the arbitrary decree of God, and in his eternal foreknowledge, into two classes, the elect and the reprobate. (d) (Physiol.) The theory that each cerebral hemisphere acts independently of the other.
"An inevitable dualism bisects nature, so that each thing is a half, and suggests another thing to make it whole." Emerson.

Dualist
Du´al•ist, n. [Cf. F. dualiste.]
1. One who believes in dualism; a ditheist.
2. One who administers two offices. Fuller.

Dualistic
Du•al•is´tic, a. Consisting of two; pertaining to dualism or duality. Dualisticsystem or theory (Chem.), the theory, originated by Lavoisier and developed by Berzelius, that all definite compounds are binary in their nature, and consist of two distinct constituents, themselves simple or complex, and possessed of opposite chemical or electrical affinities.

Duality
Du´al´i•ty, n. [L. dualitas: cf. F. dualite.] The quality or condition of being two or twofold; dual character or usage.

Duan
Du´an, n. [Gael. & Ir.] A division of a poem corresponding to a canto; a poem or song. [R.]

Duarchy
Du´ar•chy, n. [Gr. two + - archy.] Government by two persons.

Dub (dub), v. t. [ imp. & p. p. Dubbed (dubd); p. pr. & vb. n. Dubbing.] [AS. dubban to strike, beat ("dubbade his sunu … to ridere." AS. Chron. an. 1086); akin to Icel. dubba; cf. OF. adouber (prob. fr. Icel.) a chevalier, Icel. dubba til riddara.]
1. To confer knighthood upon; as the king dubbed his son Henry a knight. The conclusion of the ceremony was marked by a tap on the shoulder with the sword.
2. To invest with any dignity or new character; to entitle; to call.
"A man of wealth is dubbed a man of worth." Pope.
3. To clothe or invest; to ornament; to adorn. [Obs.]
"His diadem was dropped down Dubbed with stones." Morte d’Arthure.
4. To strike, rub, or dress smooth; to dab; as: (a) To dress with an adz; as to dub a stick of timber smooth. (b) To strike cloth with teasels to raise a nap. Halliwell. (c) To rub or dress with grease, as leather in the process of cyrrying it. Tomlinson. (d) To prepare for fighting, as a gamecock, by trimming the hackles and cutting off the comb and wattles. To dub a fly, to dress a fishing fly. [Prov. Eng.] Halliwell. — To dub out (Plastering), to fill out, as an uneven surface, to a plane, or to carry out a series of small projections.

Dub, v. i. To make a noise by brisk drumbeats. "Now the drum dubs." Beau. & Fl.

Dub, n. A blow. [R.] Hudibras.

Dub, n. [Cf. Ir. dób mire, stream, W. dwvr water.] A pool or puddle. [Prov. Eng.] Halliwell.

Dubb, n. [Ar.] (Zoöl.) The Syrian bear. See under Bear. [Written also dhubb, and dub.]

Dubbing
Dub´bing, n.
1. The act of dubbing, as a knight, etc.
2. The act of rubbing, smoothing, or dressing; a dressing off smooth with an adz.
3. A dressing of flour and water used by weavers; a mixture of oil and tallow for dressing leather; daubing.
4. The body substance of an angler’s fly. Davy.

Dubiety
Du•bi´e•ty, n. ; pl. Dubieties (#). [L. dubietas, fr. dubius. See Dubious.] Doubtfulness; uncertainty; doubt. [R.] Lamb. "The dubiety of his fate." Sir W. Scott.

Dubious
Du´bi•ous, a. [L. dubius, dubiosus, fr. duo two. See Two, and cf. Doubt.]
1. Doubtful or not settled in opinion; being in doubt; wavering or fluctuating; undetermined. "Dubious policy." Sir T. Scott.
"A dubious, agitated state of mind." Thackeray.
2. Occasioning doubt; not clear, or obvious; equivocal; questionable; doubtful; as a dubious answer.
"Wiping the dingy shirt with a still more dubious pocket handkerchief." Thackeray.
3. Of uncertain event or issue; as in dubious battle.
Syn. — Doubtful; doubting; unsettled; undetermined; equivocal; uncertain. Cf. Doubtful.

Dubiousness
Du´bi•ous•ness, n. State of being dubious.

Dubitable
Du´bi•ta•ble, a. [L. dubitabilis. Cf. Doubtable.] Liable to be doubted; uncertain. [R.] Dr. H. More. — Du´bi•ta•bly, adv. [R.]

Dubitate
Du´bi•tate, v. i. [L. dubitatus, p. p. of dubitare. See Doubt.] To doubt. [R.]
"If he … were to loiter dubitating, and not come." Carlyle.

Dubitative
Du´bi•ta•tive, a. [L. dubitativus: cf. F. dubitatif.] Tending to doubt; doubtful. [R.] — Du´bi•ta•tive•ly, adv. [R.] . Eliot.

Duboisia
Du•bois´i•a, n. [NL.] (Med.) Same as Duboisine.

Ducal
Du´cal, a. [F. ducal. See Duke.] Of or pertaining to a duke.
"His ducal cap was to be exchanged for a kingly crown." Motley.

Ducat
Duc´at, n. [F. ducat, It. ducato, LL. ducatus, fr. dux leader or commander. See Duke.] A coin, either of gold or silver, of several countries in Europe; originally, one struck in the dominions of a duke. The gold ducat is generally of the value of nine shillings and four pence sterling, or somewhat more that two dollars. The silver ducat is of about half this value.

Duces tecum
Du"ces te"cum [L., bring with thee.] A judicial process commanding a person to appear in court and bring with him some piece of evidence or other thing to be produced to the court.

Duchess
Duch´ess, n. [F. duchesse, fr. duc duke.] The wife or widow of a duke; also a lady who has the sovereignty of a duchy in her own right.

Duchesse d’Angoulême
Du•chesse" d’An•gou•lême" [F.] (Bot.) A variety of pear of large size and excellent flavor.

Duchesse lace
Du•chesse" lace A beautiful variety of Brussels pillow lace made originally in Belgium and resembling Honiton guipure. It is worked with fine thread in large sprays, usually of the primrose pattern, with much raised work.

Duchy
Duch´y (duch"y), n. ; pl. Duchies (#). [F. duche, OF. duchee, (assumed) LL. ducitas, fr. L. dux. See Duke.] The territory or dominions of a duke; a dukedom.

Duck’s-foot
Duck’s´-foot, n. (Bot.) The May apple ( Podophyllum peltatum).

Duckbill
Duck´bill, n. (Zoöl.) See Duck mole, under Duck, n.

Ducker
Duck´er, n.
1. One who, or that which, ducks; a plunger; a diver.
2. A cringing, servile person; a fawner.

Ducking
Duck´ing, n. & a., from Duck, v. t. & i.Ducking stool, a stool or chair in which common scolds were formerly tied, and plunged into water, as a punishment. See Cucking stool. The practice of ducking began in the latter part of the 15th century, and prevailed until the early part of the 18th, and occasionally as late as the 19th century. Blackstone. Chambers.

Duckling
Duck´ling, n. A young or little duck. Gay. { Duck´meat•, or Duck’s´-meat• }, n. (Bot.) Duckweed.

Duckweed
Duck´weed, n. (Bot.) A genus ( Lemna) of small plants, seen floating in great quantity on the surface of stagnant pools fresh water, and supposed to furnish food for ducks; — called also duckmeat.

Duct, n. [L. ductus a leading, conducting, conduit, fr. ducere, ductum, to lead. See Duke, and cf. Douche.]
1. Any tube or canal by which a fluid or other substance is conducted or conveyed.
2. (Anat.) One of the vessels of an animal body by which the products of glandular secretion are conveyed to their destination.
3. (Bot.) A large, elongated cell, either round or prismatic, usually found associated with woody fiber. Ducts are classified, according to the character of the surface of their walls, or their structure, as annular, spiral, scalariform, etc.
4. Guidance; direction. [Obs.] Hammond.

Ductile
Duc´tile, a. [L. ductilis, fr. ducere to lead: cf. F. ductile. See Duct.]
1. Easily led; tractable; complying; yielding to motives, persuasion, or instruction; as a ductile people. Addison.
"Forms their ductile minds To human virtues." Philips.
2. Capable of being elongated or drawn out, as into wire or threads.
"Gold … is the softest and most ductile of all metals." Dryden. — Duc´tile•ly (#), adv. — Duc´tile•ness, n.

Ductility
Duc•til´i•ty, n. [Cf. F. ductilite.]
1. The property of a metal which allows it to be drawn into wires or filaments.
2. Tractableness; pliableness. South.

Duction
Duc´tion, n. [L. ductio, fr. ducere to lead.] Guidance. [Obs.] Feltham.

Ductless
Duct´less, a. Having to duct or outlet; as a ductless gland.

Ductor
Duc´tor, n. [L., fr. ducere to lead.]
1. One who leads. [Obs.] Sir T. Browne.
2. (Mach.) A contrivance for removing superfluous ink or coloring matter from a roller. See Doctor, 4. Knight. Ductor roller (Printing), the roller which conveys or supplies ink to another roller. Knight.

Dudder
Dud´der, v. t. [In Suffolk, Eng., to shiver, shake, tremble; also written dodder.] To confuse or confound with noise. Jennings.

Dudder
Dud´der, v. i. To shiver or tremble; to dodder.
"I dudder and shake like an aspen leaf." Ford.

Dudder
Dud´der, n. [From Duds.] A peddler or hawker, especially of cheap and flashy goods pretended to be smuggled; a duffer. [Eng.]

Dude, n. A kind of dandy; especially, one characterized by an ultrafashionable style of dress and other affectations. [Recent]
"The social dude who affects English dress and English drawl." The American.

Dudeen
Du•deen´, n. A short tobacco pipe. [Written also dudheen.] [Irish]

Dudgeon
Dudg´eon, n.
1. The root of the box tree, of which hafts for daggers were made. Gerarde (1597).
2. The haft of a dagger. Shak.
3. A dudgeon-hafted dagger; a dagger. Hudibras.

Dudgeon
Dudg´eon, n. [W. dygen anger, grudge.] Resentment; ill will; anger; displeasure.
"I drink it to thee in dudgeon and hostility."
"Sir T. Scott."

Dudgeon
Dudg´eon, a. Homely; rude; coarse. [Obs.]
"By my troth, though I am plain and dudgeon, I would not be an ass." Beau. & Fl.

Dudish
Dud´ish, a. Like, or characterized of, a dude.

Duds, n. pl. [Scot. dud rag, pl. duds clothing of inferior quality.]
1. Old or inferior clothes; tattered garments. [Colloq.]
2. Effects, in general.[Slang]

Due, a. [OF. deu, F. dû, p. p. of devoir to owe, fr. L. debere. See Debt, Habit, and cf. Duty.]
1. Owed, as a debt; that ought to be paid or done to or for another; payable; owing and demandable.
2. Justly claimed as a right or property; proper; suitable; becoming; appropriate; fit.
"Her obedience, which is due to me." Shak.
"With dirges due, in sad array, Slow through the churchway path we saw him borne." Gray.
3. Such as (a thing) ought to be; fulfilling obligation; proper; lawful; regular; appointed; sufficient; exact; as due process of law; due service; in due time.
4. Appointed or required to arrive at a given time; as the steamer was due yesterday.
5. Owing; ascribable, as to a cause.
"This effect is due to the attraction of the sun." J. D. Forbes.

Due, adv. Directly; exactly; as a due east course.

Due, n.
1. That which is owed; debt; that which one contracts to pay, or do, to or for another; that which belongs or may be claimed as a right; whatever custom, law, or morality requires to be done; a fee; a toll.
"He will give the devil his due." Shak.
"Yearly little dues of wheat, and wine, and oil." Tennyson.
2. Right; just title or claim.
"The key of this infernal pit by due … I keep." Milton.

Due, v. t. To endue. [Obs.] Shak.

Duebill
Due´bill, n. (Com.) A brief written acknowledgment of a debt, not made payable to order, like a promissory note. Burrill.

Dueful
Due´ful, a. Fit; becoming. [Obs.] Spenser.

Duel
Du´el, n. [It. duello, fr. L. duellum, orig., a contest between two, which passed into the common form bellum war, fr. duo two: cf. F. duel. See Bellicose, Two, and cf. Duello.] A combat between two persons, fought with deadly weapons, by agreement. It usually arises from an injury done or an affront given by one to the other. Trial by duel (Old Law), a combat between two persons for proving a cause; trial by battel.

Duel
Du´el, v. i. & t. To fight in single combat. [Obs.]

Dueler
Du´el•er, n. One who engages in a duel. [R.] [Written also dueller.] South.

Dueling
Du´el•ing, n. The act or practice of fighting in single combat. Also adj. [Written also duelling.]

Duelist
Du´el•ist, n. [F. duelliste.] One who fights in single combat. [Written also duellist.]
"A duelist … always values himself upon his courage, his sense of honor, his fidelity and friendship." Hume.

Duelo
Du•e´lo, n. [It. See Duel.] A duel; also the rules of dueling. [Obs.] Shak.

Duenna
Du•en´na, n. ; pl. Duennas (#). [Sp. dueña, doña, fr. L. domina. See Dame.]
1. The chief lady in waiting on the queen of Spain. Brande.
2. An elderly lady holding a station between a governess and companion, and appointed to have charge over the younger ladies in a Spanish or a Portuguese family. Brande & C.
3. Any old woman who is employed to guard a younger one; a governess. Arbuthnot.

Duetto
Du•et´to, n. [It., fr. It & L. duo two. See Two.] See Duet.

Duffel bag. A sack to hold miscellaneous articles, as tools, supplies, or the like.

Duffer
Duf´fer, n.
1. A peddler or hawker, especially of cheap, flashy articles, as sham jewelry; hence, a sham or cheat. [Slang, Eng.] Halliwell.
2. A stupid, awkward, inefficient person.[Slang]

Duffer
Duf´fer, n.
1. (Mining) See Shicer.
2. (Zoöl.) Any common domestic pigeon.

Duffer
Duf´fer, n. One who duffs cattle, etc. [Australia]
"Unluckily, cattle stealers are by no means so rare as would be desirable; they are locally known as duffers." Baden-Powell. { Du•kho•bors´, Du•kho•bor´tsy }, n. pl. [Russ. dukhobortsy spirit wrestlers; dukh spirit + bortsy wrestlers.] A Russian religious sect founded about the middle of the 18th century at Kharkov. They believe that Christ was wholly human, but that his soul reappears from time to time in mortals. They accept the Ten Commandments and the "useful" portions of the Bible, but deny the need of rulers, priests, or churches, and have no confessions, icons, or marriage ceremonies. They are communistic, opposed to any violence, and unwilling to use the labor of animals. Driven out of Russia proper, many have emigrated to Cyprus and Canada. See Raskolnik, below.

Dug (dug), n. [Akin to Sw. dägga to suckle (a child), Dan. daegge, and prob. to Goth. daddjan. rad.66.] A teat, pap, or nipple; — formerly that of a human mother, now that of a cow or other beast.
"With mother’s dug between its lips." Shak.

Dug, imp. & p. p. of Dig.

Dugout
Dug´out (dug"out), n.
1. A canoe or boat dug out from a large log. [U.S.]
"A man stepped from his slender dugout." G. W. Cable.
2. A place dug out.
3. A house made partly in a hillside or slighter elevation. [Western U.S.] Bartlett.

Dugway
Dug´way, n. A way or road dug through a hill, or sunk below the surface of the land. [U.S.]

Duke n. [F. duc, fr. L. dux, ducis, leader, commander, fr. ducere to lead; akin to AS. teón to draw; cf. AS. heretoga ( here army) an army leader, general, G. herzog duke. See Tue, and cf. Doge, Duchess, Ducat, Duct, Adduce, Deduct.]
1. A leader; a chief; a prince. [Obs.]
"Hannibal, duke of Carthage." Sir T. Elyot.
"All were dukes once, who were "duces" — captains or leaders of their people." Trench.
2. In England, one of the highest order of nobility after princes and princesses of the royal blood and the four archbishops of England and Ireland.
3. In some European countries, a sovereign prince, without the title of king. Duke’s coronet. See Illust. of Coronet. — To dine with Duke Humphrey, to go without dinner. See under Dine.

Duke, v. i. To play the duke. [Poetic]
"Lord Angelo dukes it well in his absence." Shak.

Dukedom
Duke´dom, n.
1. The territory of a duke.
2. The title or dignity of a duke. Shak.

Dukeling
Duke´ling, n. A little or insignificant duke. Ford.

Dukeship
Duke´ship, n. The quality or condition of being a duke; also the personality of a duke. Massinger.

Dulcamara
Dul•ca•ma´ra, n. [NL., fr. L. dulcis sweet + amarus bitter.] (Bot.) A plant ( Solanum Dulcamara). See Bittersweet, n. , 3 (a).

Dulceness
Dulce´ness, n. Sweetness. [Obs.] Bacon.

Dulcet
Dul´cet, a. [OF. doucet, dim. of dous sweet, F. doux, L. dulcis; akin to Gr. . Cf. Doucet.]
1. Sweet to the taste; luscious. [Obs.]
"She tempers dulcet creams." Milton.
2. Sweet to the ear; melodious; harmonious.
"Their dainty lays and dulcet melody." Spenser.

Dulcification
Dul•ci•fi•ca´tion, n. [Cf. F. dulcification.] The act of dulcifying or sweetening. Boyle.

Dulcified
Dul´ci•fied, a. Sweetened; mollified. Dulcified spirit or spirits, a compound of alcohol with mineral acids; as dulcified spirits of niter.

Dulcifluous
Dul•cif´lu•ous, a. [L. dulcis sweet + fluere to flow.] Flowing sweetly. [R.]

Dulcify
Dul´ci•fy, v. t. [ imp. & p. p. Dulcified p. pr. & vb. n. Dulcifying.] [L. dulcis sweet + -fy: cf. F. dulcifier.]
1. (Pharm.) To sweeten; to free from acidity, saltness, or acrimony. Wiseman.
2. Fig. : To mollify; to sweeten; to please.
"As she … was further dulcified by her pipe of tobacco." Hawthorne.

Dulcimer
Dul´ci•mer, n. [It. dolcemele,r Sp. dulcemele, fr. L. dulcis sweet + melos song, melody, Gr. ; cf. OF. doulcemele. See Dulcet, and Melody.] (Mus.) (a) An instrument, having stretched metallic wires which are beaten with two light hammers held in the hands of the performer. (b) An ancient musical instrument in use among the Jews. Dan. iii. 5. It is supposed to be the same with the psaltery.

Dulcitude
Dul´ci•tude, n. [L. dulcitudo, fr. dulcis sweet. Sweetness. [R.] Cockeram.

Dulcorate
Dul´co•rate, v. t. [L. dulcoratus, p. p. of dulcorare, fr. dulcor sweetness, fr. dulcis sweet.] To sweeten; to make less acrimonious. [R.] Bacon.

Dulcoration
Dul•co•ra´tion, n. [LL. dulcoratio.] The act of sweetening. [R.] Bacon.

Duledge
Du´ledge, n. (Mil.) One of the dowels joining the ends of the fellies which form the circle of the wheel of a gun carriage. Wilhelm.

Dulia
Du•li´a, n. [LL., fr. Gr. servitude, fr. slave.] (R. C. Ch.) An inferior kind of veneration or worship, given to the angels and saints as the servants of God.

Dull, a. [ Compar. Duller superl. Dullest.] [AS. dol foolish; akin to gedwelan to err, D. dol mad, dwalen to wander, err, G. toll mad, Goth. dwals foolish, stupid, cf. Gr. turbid, troubled, Skr. dhvr to cause to fall. Cf. Dolt, Dwale, Dwell, Fraud.]
1. Slow of understanding; wanting readiness of apprehension; stupid; doltish; blockish. "Dull at classical learning." Thackeray.
"She is not bred so dull but she can learn." Shak.
2. Slow in action; sluggish; unready; awkward.
"This people’s heart is waxed gross, and their ears are dull of hearing." Matt. xiii. 15.
"O, help my weak wit and sharpen my dull tongue." Spenser.
3. Insensible; unfeeling.
"Think me not So dull a devil to forget the loss Of such a matchless wife." Beau. & Fl.
4. Not keen in edge or point; lacking sharpness; blunt. "Thy scythe is dull." Herbert.
5. Not bright or clear to the eye; wanting in liveliness of color or luster; not vivid; obscure; dim; as a dull fire or lamp; a dull red or yellow; a dull mirror.
6. Heavy; gross; cloggy; insensible; spiritless; lifeless; inert. "The dull earth." Shak.
"As turning the logs will make a dull fire burn, so changes of study a dull brain." Longfellow.
7. Furnishing little delight, spirit, or variety; uninteresting; tedious; cheerless; gloomy; melancholy; depressing; as a dull story or sermon; a dull occupation or period; hence, cloudy; overcast; as a dull day.
"Along life’s dullest, dreariest walk." Keble.
Syn. — Lifeless; inanimate; dead; stupid; doltish; heavy; sluggish; sleepy; drowsy; gross; cheerless; tedious; irksome; dismal; dreary; clouded; tarnished; obtuse. See Lifeless.

Dull, v. t. [ imp. & p. p. Duller p. pr. & vb. n. Dulling.]
1. To deprive of sharpness of edge or point. "This … dulled their swords." Bacon.
"Borrowing dulls the edge of husbandry." Shak.
2. To make dull, stupid, or sluggish; to stupefy, as the senses, the feelings, the perceptions, and the like.
"Those [drugs] she has Will stupefy and dull the sense a while." Shak.
"Use and custom have so dulled our eyes." Trench.
3. To render dim or obscure; to sully; to tarnish. "Dulls the mirror." Bacon.
4. To deprive of liveliness or activity; to render heavy; to make inert; to depress; to weary; to sadden.
"Attention of mind … wasted or dulled through continuance." Hooker.

Dull, v. i. To become dull or stupid. Rom. of R.

Dullard
Dull´ard, n. [ Dull + - ard.] A stupid person; a dunce. Shak. — a. Stupid. Bp. Hall.

Dull-brained
Dull´-brained, a. Stupid; doltish. Shak.

Dull-browed
Dull´-browed, a. Having a gloomy look.

Duller
Dull´er, n. One who, or that which, dulls.

Dull-eyed
Dull´-eyed, a. Having eyes wanting brightness, liveliness, or vivacity. Shak.

Dullhead
Dull´head, n. A blockhead; a dolt. Ascham.

Dullish
Dull´ish, a. Somewhat dull; uninteresting; tiresome. "A series of dullish verses." Prof. Wilson.

Dullness
Dull´ness, n. The state of being dull; slowness; stupidity; heaviness; drowsiness; bluntness; obtuseness; dimness; want of luster; want of vividness, or of brightness. [Written also dulness.]
"And gentle dullness ever loves a joke." Pope.

Dull-sighted
Dull´-sight•ed, a. Having poor eyesight.

Dullsome
Dull´some, a. Dull. [R.] Gataker.

Dull-witted
Dull´-wit•ted, a. Stupid.

Dully
Dul´ly, adv. In a dull manner; stupidly; slowly; sluggishly; without life or spirit.
"Supinely calm and dully innocent." G. Lyttelton.

Dulocracy
Du•loc´ra•cy, n. See Doulocracy.

Duly
Du´ly, adv. In a due, fit, or becoming manner; as it (anything) ought to be; properly; regularly.

Dumal
Du´mal, a. [L. dumus bramble.] Pertaining to, or set with, briers or bushes; brambly. [R.]

Dumb, a. [AS. dumb; akin to D. dom stupid, dumb, Sw. dumb, Goth. dumbs; cf. Gr. blind. See Deaf, and cf. Dummy.]
1. Destitute of the power of speech; unable; to utter articulate sounds; as the dumb brutes.
"To unloose the very tongues even of dumb creatures." Hooker.
2. Not willing to speak; mute; silent; not speaking; not accompanied by words; as dumb show.
"This spirit, dumb to us, will speak to him." Shak.
"To pierce into the dumb past." J. C. Shairp.
3. Lacking brightness or clearness, as a color. [R.]
"Her stern was painted of a dumb white or dun color." De Foe. Deaf and dumb. See Deaf-mute. — Dumb ague, or Dumb chill, a form of intermittent fever which has no well-defined "chill." [U.S.] — Dumb animal, any animal except man; - - usually restricted to a domestic quadruped; — so called in contradistinction to man, who is a "speaking animal." — Dumb cake, a cake made in silence by girls on St. Mark’s eve, with certain mystic ceremonies, to discover their future husbands. Halliwell. — Dumb cane (Bot.), a west Indian plant of the Arum family ( Dieffenbachia seguina), which, when chewed, causes the tongue to swell, and destroys temporarily the power of speech. - - Dumb crambo. See under crambo. — Dumb show. (a) Formerly, a part of a dramatic representation, shown in pantomime. "Inexplicable dumb shows and noise." Shak. (b) Signs and gestures without words; as to tell a story in dumb show. — To strike dumb, to confound; to astonish; to render silent by astonishment; or, it may be, to deprive of the power of speech.
Syn. — Silent; speechless; noiseless. See Mute.

Dumb, v. t. To put to silence. [Obs.] Shak.

Dumb-bell
Dumb´-bell, n. A weight, consisting of two spheres or spheroids, connected by a short bar for a handle; used (often in pairs) for gymnastic exercise.

Dumbledor
Dum´ble•dor, n. [The first part is prob. of imitative origin. See Dor a beetle.] (Zoöl.) A bumblebee; also a cockchafer. [Prov. Eng.]

Dumbness
Dumb´ness, n. The quality or state of being dumb; muteness; silence; inability to speak.

Dumb-waiter
Dumb´-wait•er, n. A framework on which dishes, food, etc., are passed from one room or story of a house to another; a lift for dishes, etc.; also a piece of furniture with movable or revolving shelves.

Dumdum bullet
Dum"dum bul"let (Mil.) A kind of manstopping bullet; — so named from Dumdum, in India, where bullets are manufactured for the Indian army.

Dumetose
Du´me•tose, a. [From L. dumetum a thicket.] (Bot.) Dumose.

Dumfound
Dum´found, v. t. [ imp. & p. p. Dumfounded; p. pr. & vb. n. Dumfounding.] To strike dumb; to confuse with astonishment. [Written also dumbfound.] Spectator.

Dummador
Dum´ma•dor, n. A dumbledor.

Dummerer
Dum´mer•er, n. One who feigns dumbness. [Obs.] Burton.

Dummy
Dum´my, a. [See Dumb.]
1. Silent; mute; noiseless; as a dummy engine.
2. Fictitious or sham; feigned; as a dummy watch. Dummy car. See under Car.

Dummy
Dum´my, n. ; pl. Dummies .
1. One who is dumb. H. Smith.
2. A sham package in a shop, or one which does not contain what its exterior indicates.
3. An imitation or copy of something, to be used as a substitute; a model; a lay figure; as a figure on which clothing is exhibited in shop windows; a blank paper copy used to show the size of the future book, etc.
4. (Drama) One who plays a merely nominal part in any action; a sham character.
5. A thick-witted person; a dolt. [Colloq.]
6. (Railroad) A locomotive with condensing engines, and, hence, without the noise of escaping steam; also a dummy car.
7. (Card Playing) The fourth or exposed hand when three persons play at a four-handed game of cards.
8. A floating barge connected with a pier. Knight. To play dummy, to play the exposed or dummy hand in cards. The partner of the dummy plays it. { Du•mose´, Du´mous } a. [L. dumosus, fr. dumus a thornbush, a bramble.]
1. Abounding with bushes and briers.
2. (Bot.) Having a compact, bushy form.

Dump, n. [See Dumpling.] A thick, ill-shapen piece; a clumsy leaden counter used by boys in playing chuck farthing. [Eng.] Smart.

Dump, n. [Cf. dial. Sw. dumpin melancholy, Dan. dump dull, low, D. dompig damp, G. dumpf damp, dull, gloomy, and E. damp, or rather perh. dump, v. t. Cf. Damp, or Dump, v. t.]
1. A dull, gloomy state of the mind; sadness; melancholy; low spirits; despondency; ill humor; — now used only in the plural.
"March slowly on in solemn dump." Hudibras.
"Doleful dumps the mind oppress." Shak.
"I was musing in the midst of my dumps." Bunyan. The ludicrous associations now attached to this word did not originally belong to it. "Holland’s translation of Livy represents the Romans as being •in the dumps’ after the battle of Cannae." Trench.
2. Absence of mind; revery. Locke.
3. A melancholy strain or tune in music; any tune. [Obs.] "Tune a deploring dump." "Play me some merry dump." Shak.
4. An old kind of dance. [Obs.] Nares.

Dump, v. t. [ imp. & p. p. Dumped p. pr. & vb. n. Dumping.] [OE. dumpen to throw down, fall down, cf. Icel. dumpa to thump, Dan. dumpe to fall suddenly, rush, dial. Sw. dimpa to fall down plump. Cf. Dump sadness.]
1. To knock heavily; to stump. [Prov. Eng.] Halliwell.
2. To put or throw down with more or less of violence; hence, to unload from a cart by tilting it; as to dump sand, coal, etc. [U.S.] Bartlett. Dumping car or cart, a railway car, or a cart, the body of which can be tilted to empty the contents; — called also dump car, or dump cart.

Dump, n.
1. A car or boat for dumping refuse, etc.
2. A ground or place for dumping ashes, refuse, etc.
3. That which is dumped.
4. (Mining) A pile of ore or rock.

Dumpage
Dump´age, n.
1. The act of dumping loads from carts, especially loads of refuse matter; also a heap of dumped matter.
2. A fee paid for the privilege of dumping loads.

Dumpiness
Dump´i•ness, n. The state of being dumpy.

Dumpish
Dump´ish, a. Dull; stupid; sad; moping; melancholy. " A … dumpish and sour life." Lord Herbert. — Dump´ish•ly, adv. — Dump´ish•ness, n.

Dumple
Dum´ple, v. t. [See Dumpling.] To make dumpy; to fold, or bend, as one part over another. [R.]
"He was a little man, dumpled up together." Sir W. Scott.

Dumpy
Dump´y, a. [ Compar. Dumpier superl. Dumpiest.] [
1. From Dump a short ill-shapen piece.
2. From Dump sadness.]
1. Short and thick; of low stature and disproportionately stout.
2. Sullen or discontented. [Prov. Eng.] Halliwell.

Dun, n. [See Dune.] A mound or small hill.

Dun, v. t. To cure, as codfish, in a particular manner, by laying them, after salting, in a pile in a dark place, covered with salt grass or some like substance.

Dun (dun), v. t. & i. [ imp. & p. p. Dunned (dund); p. pr. & vb. n. Dunning (dun"ning).] [AS. dyne noise, dynian to make a noise, or fr. Icel. dynr, duna, noise, thunder, duna to thunder; the same word as E. din. rad.74. See Din.] To ask or beset, as a debtor, for payment; to urge importunately.
"Hath she sent so soon to dun?" Swift.

Dun, n.
1. One who duns; a dunner.
"To be pulled by the sleeve by some rascally dun." Arbuthnot.
2. An urgent request or demand of payment; as he sent his debtor a dun.

Dun, a. [AS. dunn, of Celtic origin; cf. W. dwn, Ir. & Gael. donn.] Of a dark color; of a color partaking of a brown and black; of a dull brown color; swarthy.
"Summer’s dun cloud comes thundering up." Pierpont.
"Chill and dun Falls on the moor the brief November day." Keble. Dun crow (Zoöl.), the hooded crow; — so called from its color; — also called hoody, and hoddy. — Dun diver (Zoöl.), the goosander or merganser.

Dunbird
Dun´bird, n. [Named from its color.] (Zoöl.) (a) The pochard; — called also dunair, and dunker, or dun- curre. (b) An American duck; the ruddy duck.

Dunce, n. [From Joannes Duns Scotus, a schoolman called the Subtle Doctor, who died in 1308. Originally in the phrase "a Duns man". See Note below.] One backward in book learning; a child or other person dull or weak in intellect; a dullard; a dolt.
"I never knew this town without dunces of figure." Swift. The schoolmen were often called, after their great leader Duns Scotus, Dunsmen or Duncemen. In the revival of learning they were violently opposed to classical studies; hence, the name of Dunce was applied with scorn and contempt to an opposer of learning, or to one slow at learning, a dullard.

Duncedom
Dunce´dom, n. The realm or domain of dunces. [Jocose] Carlyle.

Duncery
Dun´cer•y, n. Dullness; stupidity.

Duncical
Dun´ci•cal, a. Like a dunce; duncish.
"The most dull and duncical commissioner." Fuller.

Duncify
Dun´ci•fy, v. t. [ Dunce + -fy.] To make stupid in intellect. [R.] Bp. Warburton.

Duncish
Dun´cish, a. Somewhat like a dunce. [R.] — Dun´cish•ness, n. [R.]

Dunder
Dun´der, n. [Cf. Sp. redundar to overflow.] The lees or dregs of cane juice, used in the distillation of rum. [West Indies]
"The use of dunder in the making of rum answers the purpose of yeast in the fermentation of flour." B. Edwards.

Dunderhead
Dun´der•head, n. [Prov. Eng. also dunderpoll, from dunder, same as thunder.] A dunce; a numskull; a blockhead. Beau. & Fl.

Dunder-headed
Dun´der-head•ed, a. Thick-headed; stupid.

Dunderpate
Dun´der•pate, n. See Dunderhead.

Dung, n. [AS. dung; akin to G. dung, dünger, OHG. tunga, Sw. dynga; cf. Icel. dyngja heap, Dan. dynge, MHG. tunc underground dwelling place, orig., covered with dung. Cf. Dingy.] The excrement of an animal. Bacon.

Dung, v. t. [ imp. & p. p. Dunged p. pr. & vb. n. Dunging.]
1. To manure with dung. Dryden.
2. (Calico Print.) To immerse or steep, as calico, in a bath of hot water containing cow dung; — done to remove the superfluous mordant.

Dung, v. i. To void excrement. Swift.

Dungaree
Dun•ga•ree´, n. A coarse kind of unbleached cotton stuff. [Written also dungari.] [India]

Dungeon
Dun´geon, n. [OE. donjoun highest tower of a castle, tower, prison, F. donjon tower or platform in the midst of a castle, turret, or closet on the top of a house, a keep of a castle, LL. domnio, the same word as LL. dominus lord. See Dame, Don, and cf. Dominion, Domain, Demesne, Danger, Donjon.] A close, dark prison, common, under ground, as if the lower apartments of the donjon or keep of a castle, these being used as prisons.
"Down with him even into the deep dungeon." Tyndale.
"Year after year he lay patiently in a dungeon." Macaulay.

Dungeon
Dun´geon, v. t. To shut up in a dungeon. Bp. Hall.

Dungfork
Dung´fork, n. A fork for tossing dung.

Dunghill
Dung´hill, n.
1. A heap of dung.
2. Any mean situation or condition; a vile abode.
"He … lifteth up the beggar from the dunghill." 1. Sam. ii. 8.Dunghill fowl, a domestic fowl of common breed.

Dungmeer
Dung´meer, n. [ Dung + (prob.) meer a pool.] A pit where dung and weeds rot for manure.

Dungy
Dung´y, a. Full of dung; filthy; vile; low. Shak.

Dungyard
Dung´yard, n. A yard where dung is collected.

Dunker
Dun´ker, n. [G. tunken to dip.] One of a religious denomination whose tenets and practices are mainly those of the Baptists, but partly those of the Quakers; — called also Tunkers, Dunkards, Dippers, and, by themselves, Brethren, and German Baptists. The denomination was founded in Germany in 1708, but after a few years the members emigrated to the United States. Seventh-day Dunkers, a sect which separated from the Dunkers and formed a community, in 1728. They keep the seventh day or Saturday as the Sabbath.

Dunlin
Dun´lin, n. [Prob. of Celtic origin; cf. Gael. dun hill (E. dune), and linne pool, pond, lake, E. lin.] (Zoöl.) A species of sandpiper ( Tringa alpina); — called also churr, dorbie, grass bird, and red-backed sandpiper. It is found both in Europe and America.

Dunnage
Dun´nage, n. [Cf. Dun a mound.] (Naut.) Fagots, boughs, or loose materials of any kind, laid on the bottom of the hold for the cargo to rest upon to prevent injury by water, or stowed among casks and other cargo to prevent their motion.

Dunnock
Dun´nock, n. [Cf. Dun, a. ] (Zoöl.) The hedge sparrow or hedge accentor. [Local, Eng.]

Dunt, n. [Dint.] A blow. [Obs.] R. of Glouc.

Dunter
Dun´ter, n. (Zoöl.) A porpoise. [Scott.] Dunter goose (Zoöl.) the eider duck. J. Brand.

Duo
Du´o, n. [It. duo, fr. L. duo two. See Duet.] (Mus.) A composition for two performers; a duet.

Duodecimal
Du•o•dec´i•mal, a. [L. duodecim twelve. See Dozen.] Proceeding in computation by twelves; expressed in the scale of twelves. — Du•o•dec´i•mal•ly, adv.

Duodecimal
Du•o•dec´i•mal, n.
1. A twelfth part; as the duodecimals of an inch.
2. pl. (Arch.) A system of numbers, whose denominations rise in a scale of twelves, as of feet and inches. The system is used chiefly by artificers in computing the superficial and solid contents of their work.

Duodecimfid
Du•o•dec´im•fid, a. [L. duodecim twelve + findere to cleave.] Divided into twelve parts.

Duodecimo
Du•o•dec´i•mo, a. [L. in duodecimo in twelfth, fr. duodecimus twelfth, fr. duodecim twelve. See Dozen.] Having twelve leaves to a sheet; as a duodecimo from, book, leaf, size, etc.

Duodecimo
Du•o•dec´i•mo, n. ; pl. Duodecimos . A book consisting of sheets each of which is folded into twelve leaves; hence, indicating, more or less definitely, a size of a book; — usually written 12mo or 12°.

Duodecuple
Du•o•dec´u•ple, a. [L. duo two + decuple.] Consisting of twelves. Arbuthnot.

Duodenal
Du•o•de´nal, a. [Cf. F. duodenal.] Of or pertaining to the duodenum; as duodenal digestion.

Duodenary
Du•o•den´a•ry, a. [L. duodenarius, fr. duodeni twelve each: cf. F. duodenaire.] Containing twelve; twelvefold; increasing by twelves; duodecimal.

Duodenum
Du•o•de´num, n. [NL., fr. duodeni twelve each: cf. F. duodenum. So called because its length is about twelve fingers’ breadth.] (Anat.) The part of the small intestines between the stomach and the jejunum. See Illust. of Digestive apparatus, under Digestive.

Duoliteral
Du•o•lit´er•al, a. [L. duo two + E. literal.] Consisting of two letters only; biliteral. Stuart.

Duomo
Duo´mo, n. [It. See Done.] A cathedral. See Dome, 2.
"Of tower or duomo, sunny sweet." Tennyson.

Duotype
Du´o•type, n. [L. duo two + type.] (Photoengraving) A print made from two half- tone plates made from the same negative, but etched differently.

Dup, v. t. [Contr. fr. do up, that is, to lift up the latch. Cf. Don, Doff.] To open; as to dup the door. [Obs.] Shak.

Dupe (dup), n. [F., prob. from Prov. F. dupe, dube; of unknown origin; equiv. to F. huppe hoopoe, a foolish bird, easily caught. Cf. Armor. houperik hoopoe, a man easily deceived. Cf. also Gull, Booby.] One who has been deceived or who is easily deceived; a gull; as the dupe of a schemer.

Dupe, v. t. [ imp. & p. p. Duped (dupt); p. pr. & vb. n. Duping.] [Cf. F. duper, fr. dupe. See Dupe, n. ] To deceive; to trick; to mislead by imposing on one’s credulity; to gull; as dupe one by flattery.
"Ne’er have I duped him with base counterfeits." Coleridge.

Dupery
Dup´er•y, n. [F. duperie, fr. duper.] The act or practice of duping. [R.]

Dupion
Du´pi•on, n. [F. doupion, It. doppione, fr. doppio double, L. duplus. See Double, and cf. Doubloon.] A double cocoon, made by two silkworms.

Duplicative
Du´pli•ca•tive, a.
1. Having the quality of duplicating or doubling.
2. (Biol.) Having the quality of subdividing into two by natural growth. "Duplicative subdivision." Carpenter.

Duplicature
Du´pli•ca•ture, n. [Cf. F. duplicature.] A doubling; a fold, as of a membrane.

Duplicity
Du•plic´i•ty, n. ; pl. Duplicities (#). [F. duplicite, L. duplicitas, fr. duplex double. See Duplex.]
1. Doubleness; a twofold state. [Archaic]
"Do not affect duplicities nor triplicities, nor any certain number of parts in your division of things." I. Watts.
2. Doubleness of heart or speech; insincerity; a sustained form of deception which consists in entertaining or pretending to entertain one set of feelings, and acting as if influenced by another; bad faith.
"Far from the duplicity wickedly charged on him, he acted his part with alacrity and resolution." Burke.
3. (Law) (a) The use of two or more distinct allegations or answers, where one is sufficient. Blackstone. (b) In indictments, the union of two incompatible offenses. Wharton.
Syn. — Double dealing; dissimulation; deceit; guile; deception; falsehood.

Dura
Du´ra, n. Short form for Dura mater.

Durability
Du•ra•bil´i•ty, n. [L. durabilitas.] The state or quality of being durable; the power of uninterrupted or long continuance in any condition; the power of resisting agents or influences which tend to cause changes, decay, or dissolution; lastingness.
"A Gothic cathedral raises ideas of grandeur in our minds by the size, its height, … its antiquity, and its durability." Blair.

Durable
Du´ra•ble, a. [L. durabilis, fr. durare to last: cf. F. durable. See Dure.] Able to endure or continue in a particular condition; lasting; not perishable or changeable; not wearing out or decaying soon; enduring; as durable cloth; durable happiness.
"Riches and honor are with me; yea, durable riches and righteousness." Prov. viii. 18.
"An interest which from its object and grounds must be so durable." De Quincey.
Syn. — Lasting; permanent; enduring; firm; stable; continuing; constant; persistent. See Lasting.

Durably
Du´ra•bly, adv. In a lasting manner; with long continuance.

Dural
Du´ral, a. (Anat.) Pertaining to the dura, or dura mater.

Duramen
Du•ra´men, n. [L., hardness, a hardened, i. e., ligneous, vine branch, fr. durare to harden. See Dure.] (Bot.) The heartwood of an exogenous tree.

Durant
Dur´ant, n. [F. durant, p. pr. of durer to last. Cf. Durance.] See Durance, 3.

Duration
Du•ra´tion, n. [OF. duration. See Dure.] The state or quality of lasting; continuance in time; the portion of time during which anything exists.
"It was proposed that the duration of Parliament should be limited." Macaulay.
"Soon shall have passed our own human duration." D. Webster.

Durbar
Dur´bar, n. [Hind. darbar, fr. Per darar house, court, hall of audience; dar door, gate + bar court, assembly.] An audience hall; the court of a native prince; a state levee; a formal reception of native princes, given by the governor general of India. [India] [Written also darbar.]

Dure, a. [L. durus; akin to Ir. & Gael. dur, stubborn, W. dir certain, sure, cf. Gr. force.] Hard; harsh; severe; rough; toilsome. [R.]
"The winter is severe, and life is dure and rude." W. H. Russell.

Dure, v. i. [F. durer, L. durare to harden, be hardened, to endure, last, fr. durus hard. See Dure, a. ] To last; to continue; to endure. [Obs.] Sir W. Raleigh.
"Yet hath he not root in himself, but dureth for a while." Matt. xiii. 21.

Dureless
Dure´less, a. Not lasting. [Obs.] Sir W. Raleigh.

Durene
Du´rene, n. [L. durus hard; — so called because solid at ordinary temperatures.] (Chem.) A colorless, crystalline, aromatic hydrocarbon, C₆H₂(CH₃)₄, off artificial production, with an odor like camphor.

Duress
Du´ress, n. [OF. duresse, du, hardship, severity, L. duritia, durities, fr. durus hard. See Dure.]
1. Hardship; constraint; pressure; imprisonment; restraint of liberty.
"The agreements … made with the landlords during the time of slavery, are only the effect of duress and force." Burke.
2. (Law) The state of compulsion or necessity in which a person is influenced, whether by the unlawful restrain of his liberty or by actual or threatened physical violence, to incur a civil liability or to commit an offense.

Duress
Du•ress´, v. t. To subject to duress. "The party duressed." Bacon.

Duressor
Du•ress´or, n. (Law) One who subjects another to duress Bacon.

Durga
Dur´ga, n. (Myth.) Same as Doorga.

During
Dur´ing, prep. [Orig., p. pr. of dure.] In the time of; as long as the action or existence of; as during life; during the space of a year.

Durio
Du´ri•o, n. [NL., fr. Malay dri thorn.] (Bot.) A fruit tree ( D. zibethinus, the only species known) of the Indian Archipelago. It bears the durian.

Durity
Du´ri•ty, n. [L. duritas, fr. durus hard.] [Obs.]
1. Hardness; firmness. Sir T. Browne.
2. Harshness; cruelty. Cockeram.

Durometer
Du•rom´e•ter, n. [L. durus hard + -meter.] An instrument for measuring the degree of hardness; especially, an instrument for testing the relative hardness of steel rails and the like.

Durous
Du´rous, a. [L. durus.] Hard. [Obs. & R.]

Durra
Dur´ra, n. [Ar. dhorra.] (Bot.) A kind of millet, cultivated throughout Asia, and introduced into the south of Europe; a variety of Sorghum vulgare; — called also Indian millet, and Guinea corn. [Written also dhoorra, dhurra, doura, etc.]

Durst, imp. of Dare. See Dare, v. i.

Durylic
Du•ryl´ic, a. (Chem.) Pertaining to, allied to, or derived from, durene; as durylic acid.

Duse, n. A demon or spirit. See Deuce.

Dusken
Dusk´en, v. t. To make dusk or obscure. [R.]
"Not utterly defaced, but only duskened." Nicolls.

Duskily
Dusk´i•ly, adv. In a dusky manner. Byron.

Duskiness
Dusk´i•ness, n. The state of being dusky.

Duskish
Dusk´ish, a. Somewhat dusky. " Duskish smoke." Spenser. — Dusk´ish•ly, adv. — Dusk´ish•ness, n.

Duskness
Dusk´ness, n. Duskiness. [R.] Sir T. Elyot.

Dusky
Dusk´y, a.
1. Partially dark or obscure; not luminous; dusk; as a dusky valley.
"Through dusky lane and wrangling mart." Keble.
2. Tending to blackness in color; partially black; dark-colored; not bright; as a dusky brown. Bacon.
"When Jove in dusky clouds involves the sky." Dryden.
"The figure of that first ancestor invested by family tradition with a dim and dusky grandeur." Hawthorne.
3. Gloomy; sad; melancholy.
"This dusky scene of horror, this melancholy prospect." Bentley.
4. Intellectually clouded.
"Though dusky wits dare scorn astrology." Sir P. Sidney.

Dust (dust), n. [AS. dust; cf. LG. dust, D. duist meal dust, OD. doest, donst, and G. dunst vapor, OHG. tunist, dunist, a blowing, wind, Icel. dust dust, Dan. dyst mill dust; perh. akin to L. fumus smoke, E. fume. rad.71.]
1. Fine, dry particles of earth or other matter, so comminuted that they may be raised and wafted by the wind; that which is crumbled to minute portions; fine powder; as clouds of dust; bone dust.
"Dust thou art, and unto dust shalt thou return." Gen. iii. 19.
"Stop! — for thy tread is on an empire’s dust." Byron.
2. A single particle of earth or other matter. [R.] "To touch a dust of England’s ground." Shak.
3. The earth, as the resting place of the dead.
"For now shall sleep in the dust." Job vii. 21.
4. The earthy remains of bodies once alive; the remains of the human body.
"And you may carve a shrine about my dust." Tennyson.
5. Figuratively, a worthless thing.
"And by the merit of vile gold, dross, dust." Shak.
6. Figuratively, a low or mean condition.
"[God] raiseth up the poor out of the dust." 1 Sam. ii. 8.
7. Gold dust; hence: (Slang) Coined money; cash. Down with the dust, deposit the cash; pay down the money. [Slang] "My lord, quoth the king, presently deposit your hundred pounds in gold, or else no going hence all the days of your life… . The Abbot down with his dust, and glad he escaped so, returned to Reading." Fuller. — Dust brand (Bot.), a fungous plant ( Ustilago Carbo); — called also smut. — Gold dust, fine particles of gold, such as are obtained in placer mining; — often used as money, being transferred by weight. — In dust and ashes. See under Ashes. — To bite the dust. See under Bite, v. t. — Toraise, or kick up, dust, to make a commotion. [Colloq.] — To throw dust in one’s eyes, to mislead; to deceive. [Colloq.]

Dust, v. t. [ imp. & p. p. Dusted; p. pr. & vb. n. Dusting.]
1. To free from dust; to brush, wipe, or sweep away dust from; as to dust a table or a floor.
2. To sprinkle with dust.
3. To reduce to a fine powder; to levigate. Sprat. To dyst one’s jacket, to give one a flogging. [Slang.]

Duster
Dust´er, n.
1. One who, or that which, dusts; a utensil that frees from dust. Specifically: (a) (Paper Making) A revolving wire-cloth cylinder which removes the dust from rags, etc. (b) (Milling) A blowing machine for separating the flour from the bran.
2. A light over-garment, worn in traveling to protect the clothing from dust. [U.S.]

Dustiness
Dust´i•ness, n. The state of being dusty.

Dustless
Dust´less, a. Without dust; as a dustless path.

Dustman
Dust´man (-man), p. ; pl. Dustmen (-men). One whose employment is to remove dirt and refuse. Gay.

Dustpan
Dust´pan (-pan•), n. A shovel-like utensil for conveying away dust brushed from the floor.

Dust-point
Dust´-point, n. An old rural game.
"With any boy at dust-point they shall play." Peacham (1620).

Dusty
Dust´y (-y), a. [ Compar. Dustier (-i•er); superl. Dustiest (-i•est).] [AS. dystig. See Dust.]
1. Filled, covered, or sprinkled with dust; clouded with dust; as a dusty table; also reducing to dust.
"And all our yesterdays have lighted fools The way to dusty death." Shak.
2. Like dust; of the color of dust; as a dusty white. Dusty miller (Bot.), a plant ( Cineraria maritima); — so called because of the ashy-white coating of its leaves.

Dutchman
Dutch´man, n. ; pl. Dutchmen . A native, or one of the people, of Holland. Dutchman’s breeches (Bot.), a perennial American herb ( Dicentra cucullaria), with peculiar double-spurred flowers. See Illust. of Dicentra. - - Dutchman’s laudanum (Bot.), a West Indian passion flower ( Passiflora Murucuja); also its fruit. — Dutchman’s pipe (Bot.), an American twining shrub ( Aristolochia Sipho). Its flowers have their calyx tubes curved like a tobacco pipe.

Dutiful
Du´ti•ful, a.
1. Performing, or ready to perform, the duties required by one who has the right to claim submission, obedience, or deference; submissive to natural or legal superiors; obedient, as to parents or superiors; as a dutiful son or daughter; a dutiful ward or servant; a dutiful subject.
2. Controlled by, proceeding from, a sense of duty; respectful; deferential; as dutiful affection.
Syn. — Duteous; obedient; reverent; reverential; submissive; docile; respectful; compliant. — Du´ti•ful•ly, adv. — Du´ti•ful•ness, n.

Duty
Du´ty, n. ; pl. Duties (#). [From Due.]
1. That which is due; payment. [Obs. as signifying a material thing.]
"When thou receivest money for thy labor or ware, thou receivest thy duty." Tyndale.
2. That which a person is bound by moral obligation to do, or refrain from doing; that which one ought to do; service morally obligatory.
"Forgetting his duty toward God, his sovereign lord, and his country." Hallam.
3. Hence, any assigned service or business; as the duties of a policeman, or a soldier; to be on duty.
"With records sweet of duties done." Keble.
"To employ him on the hardest and most imperative duty." Hallam.
"Duty is a graver term than obligation. A duty hardly exists to do trivial things; but there may be an obligation to do them." C. J. Smith.
4. Specifically, obedience or submission due to parents and superiors. Shak.
5. Respect; reverence; regard; act of respect; homage. "My duty to you." Shak.
6. (Engin.) The efficiency of an engine, especially a steam pumping engine, as measured by work done by a certain quantity of fuel; usually, the number of pounds of water lifted one foot by one bushel of coal (94 lbs. old standard), or by 1 cwt. (112 lbs., England, or 100 lbs., United States).
7. (Com.) Tax, toll, impost, or customs; excise; any sum of money required by government to be paid on the importation, exportation, or consumption of goods. An impost on land or other real estate, and on the stock of farmers, is not called a duty, but a direct tax. [U.S.] Ad valorem duty, a duty which is graded according to the cost, or market value, of the article taxed. See Ad valorem. — Specific duty, a duty of a specific sum assessed on an article without reference to its value or market. — On duty, actually engaged in the performance of one’s assigned task.

Duumviral
Du•um´vi•ral, a. [L. duumviralis.] Of or belonging to the duumviri or the duumvirate.

Duumvirate
Du•um´vi•rate, n. [L. duumviratus, fr. duumvir.] The union of two men in the same office; or the office, dignity, or government of two men thus associated, as in ancient Rome.

Dux, n. [L., leader.] (Mus.) The scholastic name for the theme or subject of a fugue, the answer being called the comes, or companion.

Duykerbok
Duy´ker•bok, n. [D. duiker diver + bok a buck, lit., diver buck. So named from its habit of diving suddenly into the bush.] (Zoöl.) A small South African antelope ( Cephalous mergens); — called also impoon, and deloo.

Duyoung
Du•young´, n. (Zoöl.) See Dugong.