Unau

from WordNet (r) 3.0 (2006)

unau
    n 1: 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}]
    2: relatively small fast-moving sloth with two long claws on
       each front foot [syn: {two-toed sloth}, {unau}, {unai},
       {Choloepus didactylus}]

from The Collaborative International Dictionary of English v.0.48

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]

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