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Added 10 October 2026

buttock

/ˈbʌtək/ noun

In Latin: natis, clūnis Wiktionary

noun Definition from Wiktionary (CC BY-SA). Pronunciation from Wiktionary, via Kaikki.org. More about buttock at Wordnik → Where our words come from →

Each of the two large fleshy halves of the posterior part of the body between the base of the back, the perineum, and the top of the legs.
The convexity of a ship behind, under the stern.

Origin

Inherited from Middle English buttok, probably from Old English buttuc (“end; end piece”; also, “short piece of land”). Attested with its current anatomical meaning since 1300. A diminutive form of what is presumably the Old English precursor of butt + -ock (diminutive suffix).

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

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