Dictionary
ball–and–socket joint
noun
Definition of BALL-AND-SOCKET JOINT
1
: a joint in which a ball moves within a socket so as to allow rotary motion in every direction within certain limits
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
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Illustration of BALL-AND-SOCKET JOINT
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 Kids
: 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
: 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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