Cōck'a-tōō',, n.

n. [Ger. kaka-du, Fr. kakato(u), kakatoes, from Malayan kakatoea.] (Ornith.) A bird of the parrot kind, of the genus Cacatuinæ, characterized by a very short, strong, and much curved beak, and also by having the head ornamented with a tuft of feathers, or crest, which the bird can raise or depress at pleasure. Baird.