n. 头饰, 羽冠, 顶髻

Topknot \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. (Zo["o]l.) A small Europen flounder ({Rhoumbus
punctatus}). The name is also applied to allied species.