from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. See sloth.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. Choloepus didactylus, a two-toed sloth native to South America.

from the GNU version of the Collaborative International Dictionary of English

  • 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.

from The Century Dictionary and Cyclopedia

  • n. The South American two-toed sloth, Cholopus didactylus. See cut under Cholopus.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. a sloth of Central America that has two long claws on each forefoot and three long claws on each hindfoot
  • n. relatively small fast-moving sloth with two long claws on each front foot


Portuguese, from Tupi uná, lazy.
(American Heritage® Dictionary of the English Language, Fourth Edition)
Brazilian Portuguese. (Wiktionary)



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