o

o
noun
  1. (Thanh Hoá, Nghệ An, Hà Tĩnh) paternal aunt, father's sister
  2. The name of the Latin-script letter O.

classifier
  1. (Thanh Hoá, Nghệ An, Hà Tĩnh) indicates a young adult woman

姑

姑
character
  1. chữ Hán form of cô (“paternal aunt, young lady”).
  2. Nôm form of o (“dialectal form of cô”).