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1. The buttocks.
2. The anus.
[Earlier, satchel, suitcase, ultimately from German Kiste, box, case (also buttocks, anus, in German slang), from Middle High German, box, case, from Old High German kista, from Latin cista; see chest.]
1. the rump; buttocks
2. a suitcase, trunk, or box
[C20: of uncertain origin]
or kees•ter(ˈki stər)
the buttocks; rump.
[1880–85; earlier, as argot, handbag, suitcase, safe; of obscure orig.]
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|Noun||1.||keister - 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?"|
arse, ass, behind, buns, buttocks, hind end, hindquarters, nates, posterior, prat, derriere, fanny, rear end, tooshie, tush, seat, fundament, backside, bottom, rump, stern, tail end, tail, rear, bum, can, butt
body part - any part of an organism such as an organ or extremity