anus.
The external orifice of the rectum in most mammals, teleost fish, and many invertebrates, through which feces and flatus are ejected.
Meaning & usage
The external orifice of the rectum in most mammals, teleost fish, and many invertebrates, through which feces and flatus are ejected.
The external orifice of the rectum in most mammals, teleost fish, and many invertebrates, through which feces and flatus are ejected. The anus and rectum, considered as a whole.
An impolite, unpopular, or unintelligent person.
Where this word comes from
Either from Middle French anus or Latin ānus (“ring, anus”), from Proto-Indo-European *h₁eh₂no- (“ring”). First attested in 1658. See also anal, annular, annelid.
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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.