Definition of ball-and-socket joint in English:

ball-and-socket joint

Syllabification: ball-and-sock·et joint

noun

  • 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.
    More example sentences
    • The hip joint is a ball-and-socket joint because the spherical head of the femur moves inside the cup-shaped acetabulum.
    • The ball-and-socket joints in your shoulders allow your arms to move in a circular motion next to your body, a semicircular motion away from your body and through all the planes in between.
    • ‘The rotator cuff is the ball-and-socket joint of your shoulder, and it's made up of four muscles,’ says Kevin O'Leary, D.C.

More definitions of ball-and-socket joint

Definition of ball-and-socket joint in:

Get more from Oxford Dictionaries

Subscribe to remove ads and access premium resources

Word of the day kerf
Pronunciation: kərf
noun
a slit made by cutting with a saw