• (n.) 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. Found on http://thinkexist.com/dictionary/meaning/unau/
noun a sloth of Central America that has two long claws on each forefoot and three long claws on each hindfoot Found on https://www.encyclo.co.uk/local/20974