ball-and-socket joint
ball–and–socket joint
nounDefinition 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
See Illustration of BALL-AND-SOCKET JOINT
First Known Use of BALL-AND-SOCKET JOINT
1809
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All Words Near: ball-and-socket joint
Previous Word in the Dictionary: ball–and–claw foot
All Words Near: ball-and-socket joint
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