ETYM AS. ears; aers; akin to Old High Germ. ars. German arsch, Dutch aars, Swed. ars, Dan. arts.
(British) The buttocks, or hind part of an animal; the bottom.

1. a often vulgar; Buttocks — often used in emphatic reference to a specific person b often vulgar; anus
2. usually vulgar; sexual intercourse

1. The lowest part of anything.
2. The lower side of anything; SYN. underside, undersurface.
3. A cargo ship; SYN. freighter, merchantman, merchant ship.
4. (Baseball) The second half of an inning; while the home team is at bat; SYN. bottom of the inning.