Dictionary Home » Webster's New World College Dictionary » ass

ass

ass¹ definition

ass (as)

noun

any of a number of horselike perissodactylous mammals (family Equidae) having long ears and a short mane, esp. the common wild ass (Equus asinus) of Africa: donkeys and burros are domesticated asses: in fables the ass is represented as obstinate and stupid
a stupid or silly person; fool

Etymology: ME asse < OE assa, assen: prob. < OIr assan or Welsh asyn, both < L asinus

ass² definition

ass (as)

noun

Slang, Vulgar the buttocks or anus

Etymology: var. of arse

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.