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ball–and–socket joint

noun

Definition of ball–and–socket joint

  1. 1 :  a joint in which a ball moves within a socket so as to allow rotary motion in every direction within certain limits

  2. 2 :  an articulation (as the hip joint) in which the rounded head of one bone fits into a cuplike cavity of the other and admits movement in any direction



Illustration of ball–and–socket joint

1809

First Known Use of ball–and–socket joint

1809


BALL–AND–SOCKET JOINT Defined for Kids

ball–and–socket joint

noun

Definition of ball–and–socket joint for Students

  1. :  a joint (as in the shoulder) in which a rounded part can move in many directions in a socket




Medical Dictionary

ball–and–socket joint

noun

Medical Definition of ball–and–socket joint

  1. :  an articulation (as the hip joint) in which the rounded head of one bone fits into a cuplike cavity of the other and admits movement in any direction—called also enarthrosis



Illustration of ball–and–socket joint


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