a ring of coloured or marked feathers or fur around the neck of a bird or an animal 翎颌（鸟兽的环形彩色项毛） a wide stiff white collar with many folds in it, worn especially in the 16th and 17th centuries 飞边（尤盛行于 16 和 17 世纪的白色轮状皱领）
Word Originearly 16th cent. (first used denoting a frill around a sleeve): probably from a variant of rough.