ball-and-socket joint

Definitions

Medical

  • noun
    (written as ball and socket joint)
    a joint where the round end of a long bone is attached to a cup-shaped hollow in another bone in such a way that the long bone can move in almost any direction.

Sports

  • noun a joint such as the hip joint in which a bone with a rounded end fits into a concave area of the adjoining bone, allowing a wide range of movement
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