Noun: megathere 'me-gu,theer
- Gigantic extinct terrestrial sloth-like mammal of the Pliocene and Pleistocene in America
"The megathere was as large as a modern elephant";
- ground sloth
Derived forms: megatheres
Type of: megatherian, megatherian mammal, megatheriid
Part of: genus Megatherium, Megatherium
Encyclopedia: Megathere