- edentate
[edentate 词源字典]
- "A 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", Early 19th century: from Latin edentatus, past participle of edentare 'make toothless', from e- (variant of ex-) 'out' + dens, dent- 'tooth'.[edentate etymology, edentate origin, 英语词源]