noun (plural acetabula or acetabulums)
Etymology: Latin, a little saucer for vinegar, from acetum vinegar, from acere to be sour
- (Roman Antiquities): a vinegar cup;
- (Roman Antiquities): the socket of the hipbone;
- (Roman Antiquities): a measure of about one eighth of a pint
- (Anatomy)): The bony cup which receives the head of the thigh bone.
- (Anatomy)): The cavity in which the leg of an insect is inserted at its articulation with the body.
- (Anatomy)): A sucker of the sepia or cuttlefish and related animals.
- (Anatomy)): The large posterior sucker of the leeches.
- (Anatomy)): One of the lobes of the placenta in ruminating animals.
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Full Definition of acetabulum