làn
noun

handled handbasket with a flat bottom and wide mouth, made from rattan, rush, bamboo or plastics
lane (of a road)

Used for something moving continuously and steadily, forming a wide and flat surface, such as water (nước), wind (gió), smoke (khói) and waves (sóng): wisp; trail; puff
Used for something forming a thin, smooth layer on the outside, such as skin (da) or hair (tóc).