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acetabulum

ace·ta·bu·lum

UK/ˌæs.ɪˈtæb.jʊl.əm/ US/ˌæs.əˈtæb.jəl.əm/ uncommon

noun

1.

the cup-shaped hollow in the hipbone into which the head of the femur fits to form a ball-and-socket joint

Synonyms

Origin

Learned borrowing from Latin acētābulum (“vinegar saucer, 1/48 congius”), from acētum (“vinegar”) + -bulum (“-bule: a vessel for”).

Related words

Broader terms

Parts

WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). CMU Pronouncing Dictionary. WordNet 2.1 Copyright Princeton University. All rights reserved. Wiktionary content is available under the Creative Commons Attribution-ShareAlike Licence.