Ball-and-socket joint
noun
noun ·Rare ·Advanced level
Definitions
Noun
- 1 A joint in which one segment has a rounded end and the next segment has a bowl-shaped end, with the rounded end being fitted into the bowl shape, allowing the first segment to move around an indefinite number of axes which have one common center. Examples include the human shoulder joint and the balljoints of some automotive suspensions.
- 2 a joint that can rotate within a socket wordnet
- 3 a freely moving joint in which a sphere on the head of one bone fits into a rounded cavity in the other bone wordnet