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Noun: pivot joint  pi-vut joynt
  1. A freely moving joint in which movement is limited to rotation
    "the articulation of the radius and ulna in the arm is a pivot joint";
    - rotary joint, rotatory joint, articulatio trochoidea

Derived forms: pivot joints

Type of: articulatio synovialis, diarthrosis, synovial joint

Encyclopedia: Pivot joint