a unique South American gallinaceous bird, Opisthocomus hoazin, with a brownish plumage, a very small crested head, and clawed wing digits in the young: family Opisthocomidae
[C17: from American Spanish, from Nahuatl uatzin pheasant]
hoactzinorhoactzin
—n
[C17: from American Spanish, from Nahuatl uatzin pheasant]