ground sloth

ground sloth

n.

Any of various extinct herbivorous mammals of the group Edentata or Xenarthra of the Oligocene Epoch through the Holocene Epoch that inhabited South and North America. Some ground sloths, including megatherium, were very large. Also called giant ground sloth.

American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Thesaurus

Noun

1.

ground sloth - gigantic extinct terrestrial sloth-like mammal of the Pliocene and Pleistocene in America megathere megatherian, megatherian mammal, megatheriid - a large extinct ground sloth genus Megatherium, Megatherium - type genus of the Megatheriidae

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