Ball-and-socket Joint Definition
bôlən-sŏkĭt
noun
A joint, as that of the hip or shoulder, formed by a ball in a socket, allowing limited movement in any direction.
Webster's New World
A synovial joint, such as the shoulder or hip joint, in which a spherical knob or knoblike part of one bone fits into a cavity or socket of another, so that some degree of rotary motion is possible in every direction.
American Heritage Medicine
A joint, as in a mechanical device, that permits rotary movement in all directions through the movement of a ball in a socket.
American Heritage Medicine
Alternative spelling of ball-and-socket joint.
Wiktionary
Synonyms:
- enarthrosis
- articulatio spheroidea
- enarthrodial joint
- cotyloid joint
- spheroid joint
Other Word Forms of Ball-and-socket Joint
Noun
Singular:
ball-and-socket joint
Plural:
ball-and-socket-joints
Ball-and-socket Joint Is Also Mentioned In
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