buttock.
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.
Meaning & usage
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.
Where this word comes from
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).
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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.
Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.