the cap, resembling a cock's, comb, formerly worn by professional fools.
3.
a garden plant, Celosia cristata, of the amaranth family, with flowers, commonly crimson or purple, in a broad spike somewhat resembling the comb of a cock.
4.
any of several other species of the genus Celosia.
5.
an elongate prickleback, Anoplarchus purpurescens, living among submerged rocks along the Pacific coast of North America.
an amaranthaceous garden or pot plant, Celosia cristata, with yellow, crimson, or purple feathery plumelike flowers in a broad spike resembling the comb of a cock
3.
any similar species of Celosia
4.
(informal) a conceited dandy
Word Origin and History for cockscomb
n.
c.1400, "comb or crest of a cock," from possessive of cock (n.1) + comb (n.). Meaning "cap worn by a professional fool" is from 1560s; hence "conceited fool" (1560s), a sense passing into the derivative coxcomb. As a plant name, from 1570s.