- the red, fleshy growth on the head of a rooster
- an ornamental plant (Celosia cristata) of the amaranth family, with red or yellow flower heads somewhat suggestive of a rooster's crest
- The comb of a rooster.
- The cap of a jester, decorated to resemble the comb of a rooster.
- An annual plant (Celosia argentea) widely cultivated for its showy, fan-shaped or plumelike clusters of red or yellow flowers. Also called celosia.
- Obsolete Variant of coxcomb.