acetabulum

/ˈæsəˌtæbjələm/
IPA guide

Other forms: acetabula

Definitions of acetabulum
  1. noun
    the cup-shaped hollow in the hipbone into which the head of the femur fits to form a ball-and-socket joint
    synonyms: cotyloid cavity
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    type of:
    socket
    a bony hollow into which a structure fits
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