释义 |
edentate /ˈiːdənteɪt /noun ZoologyA mammal of an order distinguished by the lack of incisor and canine teeth, including the anteaters, sloths, and armadillos, all of which are native to Central and South America.- Order Xenarthra (or Edentata).
Another group of uniquely South American mammals, the edentates (sloths, armadillos and anteaters), survived the competition with the invaders and are still abundant in South America....- The edentates, including the sloths, ant-eaters and armadillos, were originally part of a larger group which included aardvarks and pangolins - all had unique extra movable parts between vertebrae in the lower back.
- It became home to a unique zoo of hoofed mammals, edentates, marsupials, and more giant flightless birds (Phorusrachids).
OriginEarly 19th century: from Latin edentatus, past participle of edentare 'make toothless', from e- (variant of ex-) 'out' + dens, dent- 'tooth'. |