cavity.
A hole or hollow depression in a solid object.
Meaning & usage
A hole or hollow depression in a solid object. A hollow area within the body.
A hole or hollow depression in a solid object. The female part of a mold: the depression itself or (metonymically) the half of the mold that contains it.
A small or large hole in a tooth caused by caries; often also a soft area adjacent to the hole also affected by caries.
Jim got two cavities filled at the dentist's office yesterday.
Where this word comes from
From Middle French cavité or Late Latin cavitās, from cav(i) (“hollow, excavated, concave”) + -tās (“-ity”, nominal suffix). First attested in the Mid-16th c.
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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.