Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun The buttocks.
  • noun The anus.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun slang the buttocks

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • noun the fleshy part of the human body that you sit on

Etymologies

from The American Heritage® Dictionary of the English Language, 4th Edition

[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.]

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Examples

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  • "Move that keister, meester!" Marge Simpson

    February 2, 2009