'Unau' definitions:

Definition of 'unau'

From: WordNet
noun
A sloth of Central America that has two long claws on each forefoot and three long claws on each hindfoot [syn: two- toed sloth, unau, unai, Choloepus hoffmanni]
noun
Relatively small fast-moving sloth with two long claws on each front foot [syn: two-toed sloth, unau, unai, Choloepus didactylus]

Definition of 'Unau'

From: GCIDE
  • Unau \U*nau"\ ([-u]*n[add]"), n. [Brazilian.] (Zool.) The two-toed sloth (Cholopus didactylus), native of South America. It is about two feet long. Its color is a uniform grayish brown, sometimes with a reddish tint. [1913 Webster]