ETYM Old Eng. asse, AS. assa; akin to Icel. asni, W. asen, asyn, Latin asinus, dim. aselus, Greek; also to AS. esol, Old High Germ. esil, German esel, Goth. asilus, Dan. aesel, Lith. asilas, Bohem. osel, Pol. osiel. Related to Ease.
(Irregular plural: asses).
Hardy and sure-footed animal smaller and with longer ears than the horse.
Any of several horselike, odd-toed, hoofed mammals of the genus Equus, family Equidae. Species include the African wild ass E. asinus, and the Asian wild ass E. hemionus. They differ from horses in their smaller size, larger ears, tufted tail, and characteristic bray. Donkeys and burros are domesticated asses.

1. The galley or pantry of a small ship.
2. Right of a lord to entertainment from a tenant.

ETYM Prob. dun, in allusion to the color of the animal + a dim. termination.
Another name for ass.
The domestic ass (Equus asinus).

ETYM jack + ass.
(Irregular plural: jackasses).
The male ass; a donkey.