The Collaborative International Dictionary of English v.0.48:
Hoatzin \Ho"at*zin\, n. (Zool.) Same as Hoazin. [1913 Webster]WordNet (r) 3.0 (2006):
hoatzin n 1: crested ill-smelling South American bird whose young have claws on the first and second digits of the wings [syn: hoatzin, hoactzin, stinkbird, Opisthocomus hoazin]