megathere
NounSynonyms:
ground sloth
Open English WordNet
Noun (1)
- gigantic extinct terrestrial sloth-like mammal of the Pliocene and Pleistocene in AmericaSynonyms: ground slothType of megatherian, megatheriidMember of Megatherium, genus Megatherium
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onerousadjective
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Webster's Dictionary (1913)
Meg′a·there, Meg′a·the′ri·um noun
Origin: NL. megatherium, fr. Gr. μέγας great + θηρίον beast.
Paleontology An extinct gigantic quaternary mammal, allied to the ant-eaters and sloths. Its remains are found in South America.
Webster’s Revised Unabridged Dictionary (1913), from GCIDE 0.54