D defs.my
Entry 1 sense Webster, 1913

Megathere

· Meg·a·there · IPA
01 n. An extinct gigantic quaternary mammal, allied to the ant-eaters and sloths. Its remains are found in South America.
  1. 1.
    An extinct gigantic quaternary mammal, allied to the ant-eaters and sloths. Its remains are found in South America.(Paleon.)