n. (Zool.) A remarkable South American bird (Opisthocomus cristatus); the crested touraco. By some Zoologists it is made the type of a distinct order (Opisthocomi). [ 1913 Webster ]
(n) crested ill-smelling South American bird whose young have claws on the first and second digits of the wings, Syn. stinkbird, hoactzin, Opisthocomus hoazin