Acetabulum
/ˌæs.ɪˈtæb.jʊl.əm/
Last Updated: January 2, 2026 at 12:30 PM
Scrabble:16 ptsWWF:22 pts10 letters
Definition of Acetabulum
noun
- The bony cup of the pelvis 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.
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SYNONYMS
cotyloid cavity