ball-and-socket joint, n.
a joint that can rotate within a socket
<noun.artifact>
ball-and-socket joint
a freely moving joint in which a sphere on the head of one bone fits into a rounded cavity in the other bone
<noun.body>
articulatio spheroidea ball-and-socket joint cotyloid joint enarthrodial joint enarthrosis spheroid joint
semantic pointers
hypernym
hyponym