Etymology: (bef. 1000; var of arse , with loss of r before s, as in passel , cuss , etc.; ME ars, er(e)s, OE ærs, ears, c. OFris ers, OS, OHG, ON ars, Gk órrhos; akin to Gk our&amacracute;, OIr err tail)
Definition of 'ASS'
Princeton's WordNet
1. (noun)buttocks, nates, arse, butt, backside, bum, buns, can, fundament, hindquarters, hind end, keister, posterior, prat, rear, rear end, rump, stern, seat, tail, tail end, tooshie, tush, bottom, behind, derriere, fanny, ass the fleshy part of the human body that you sit on "he deserves a good kick in the butt"; "are you going to sit on your fanny and do nothing?"
2. (noun)ass a pompous fool
3. (noun)ass hardy and sure-footed animal smaller and with longer ears than the horse
4. (noun)fuck, fucking, screw, screwing, ass, nooky, nookie, piece of ass, piece of tail, roll in the hay, shag, shtup slang for sexual intercourse
1. (noun)ASS a quadruped of the genus Equus (E. asinus), smaller than the horse, and having a peculiarly harsh bray and long ears. The tame or domestic ass is patient, slow, and sure-footed, and has become the type of obstinacy and stupidity. There are several species of wild asses which are swift-footed
Definitions of ASS 
Afrikaans: donkie
Arabic: حِمار
Bulgarian: магаре
Brazilian: burro
Czech: osel
German: der Esel
Danish: æsel
Greek: γάιδαρος
Spanish: asno, burro
Estonian: eesel
Farsi: خر
Finnish: aasi
French: âne
Hebrew: חָמוֹר
Hindi: गधा
Croatian: magarac
Hungarian: szamár
Indonesian: keledai
Icelandic: asni
Italian: asino
Japanese: ろば
Korean: 당나귀
Lithuanian: asilas
Latvian: ēzelis
Malay: keldai
Dutch: ezel
Norwegian: esel
Polish: osioł
Persian: خر
Pashto: خر
Portuguese: burro
Romanian: măgar
Russian: осёл
Slovak: osol, somár
Slovenian: osel
Serbian: magarac
Swedish: åsna
Thai: ลา
Turkish: eşek
Taiwanese: 驢子
Ukrainian: осел, віслюк
Urdu: گدھا
Vietnamese: con lừa
Chinese: 驴
