acetabulum.
The bony cup of the hip bone which receives the head of the femur.
Meaning & usage
The bony cup of the hip bone which receives the head of the femur.
The cavity in which the leg of an insect is inserted at its articulation with the body.
A sucker of the sepia or cuttlefish and related animals.
The large posterior sucker of the leeches.
One of the lobes of the placenta in ruminating animals.
A vinegar saucer, especially (historical) in ancient Roman contexts.
A Roman unit of liquid measure reckoned as the volume of 2½ Roman ounces of wine and equivalent to about 66 mL although differing slightly over time.
Where this word comes from
Learned borrowing from Latin acētābulum (“vinegar saucer, 1/48 congius”), from acētum (“vinegar”) + -bulum (“-bule: a vessel for”).
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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.