Medical Term:

ball and socket joint


Definition: a multiaxial synovial joint in which a more or less extensive sphere on the head of one bone fits into a rounded cavity in the other bone, as in the hip joint.

Synonym(s): articulatio spheroideaTA, enarthrosis, spheroidal joint, articulatio cotylica, cotyloid joint, enarthrodial joint, socket joint, spheroid articulation