noun
A person with red hair.
A North American duck (Aythya americana) highly esteemed as a game bird.
A kind of milkweed (Asclepia curassavica), with red flowers, formerly used in medicine.
Chinese red-headed centipede (Scolopendra subspinipes mutilans)
Red-headed bunting (Emberiza bruniceps).
Red-headed titi (Callicebus regulus).
Red-headed vulture (Sarcogyps calvus).
(informal) Red-headed woodpecker (Melanerpes erythrocephalus).
(film, television, theater) A kind of 800-watt lamp.