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arse

/ɑːs/ noun

noun Definition from WordNet 3.1, Princeton University. Pronunciation from Wiktionary, via Kaikki.org. More about arse at Wordnik → Where our words come from →

  1. The fleshy part of the human body that you sit on.
    he deserves a good kick in the butt
  2. Vulgar slang for anus.

Origin

From Middle English ars, ers, from Old English ærs, ears, from Proto-West Germanic *ars, from Proto-Germanic *arsaz (compare Dutch aars and German Arsch), from Proto-Indo-European *h₁órsos (“backside, buttocks”).

From Wiktionary, via Kaikki.org (CC BY-SA)