ball-and-socket joint
ball-and-sock·et joint • n. a natural or manufactured joint or coupling, such as the hip joint, in which a partially spherical end lies in a socket, allowing multidirectional movement and rotation.
ball-and-socket joint
ball-and-socket joint (bawl-ănd-sok-it) n. see enarthrosis.
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ball-and-socket joint
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ball-and-socket joint