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 (such 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

1779

First Known Use of ball–and–socket joint

1779


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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