ball-and-socket joint love

ball-and-socket joint

Definitions

from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. 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. Also called enarthrosis.
  • n. A joint, as in a mechanical device, that permits rotary movement in all directions through the movement of a ball in a socket. Also called ball joint.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. 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.

Etymologies

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Examples

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