cotyloid

/ˈkɑtɪlɔɪd/
adjective
  1. Shaped like a cup or socket; relating to a cup-shaped cavity, especially in a bone.
    • The cotyloid cavity of the hip bone holds the head of the femur.
    • In anatomy class, we studied the cotyloid shape of the acetabulum.
    • The surgeon examined the cotyloid surface for any signs of wear.
Synonyms
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