Definition from Wiktionary, the free dictionary
topknot (plural topknots)
- a decorative knot of hair on the crown of the head, sometimes having ribbons or feathers
- a decorative headdress
- A crest or knot of feathers upon the head or top, as of a bird.
- Any fish in one of several genera:
a decorative knot of hair on the crown of the head
a decorative headdress