a sloth of Central America that has two long claws on each forefoot and three long claws on each hindfoot
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relatively small fast-moving sloth with two long claws on each front foot
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Unau \U*nau"\, n. [Brazilian.] (Zo["o]l.) 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.