ball-and-socket joint

Definitions of ball-and-socket joint

1. noun

   a joint that can rotate within a socket
   type of:

   joint

   junction by which parts or objects are joined together
2. noun

   a freely moving joint in which a sphere on the head of one bone fits into a rounded cavity in the other bone
   synonyms: articulatio spheroidea, cotyloid joint, enarthrodial joint, enarthrosis, spheroid joint

   types:

   articulatio humeri, shoulder, shoulder joint

   a ball-and-socket joint between the head of the humerus and a cavity of the scapula

   articulatio coxae, coxa, hip, hip joint

   the ball-and-socket joint between the head of the femur and the acetabulum

   type of:

   articulatio synovialis, diarthrosis, synovial joint

   a joint so articulated as to move freely