DICT.TW Dictionary Taiwan

 top·knot /-ˌnɑt/
 鳥的冠毛,鳥冠,頂髻

 Top·knot n.
 1. A crest or knot of feathers upon the head or top, as of a bird; also, an ornamental knot worn on top of the head, as by women.
    A great, stout servant girl, with cheeks as red as her topknot.   --Sir W. Scott.
 2. Zool. A small Europen flounder (Rhoumbus punctatus). The name is also applied to allied species.
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 topknot
      n 1: headdress consisting of a decorative ribbon or bow worn in
           the hair
      2: showy crest or knot of hair or feathers