topknot

A crest or knot of hair or feathers on the crown of the head.

A decorative ribbon or bow worn as a headdress.

Any knot, tuft, or crest worn or growing on the head: applied to any egret, crest, or tuft of feathers on the head of a bird, the hair on the top of the human head, any projecting or conspicuous ornament for the head, etc.; specifically, a bow, as of ribbon, forming a part of the head-dress of women in the seventeenth century.

A flatfish, Phrynorhombus unimaculatus, or Bloch's topknot, and some related species: so called from a long filament on the head.

One of any of the breeds of domestic hens which have a crest.