| Enarthrosis | ‖n. [ NL., fr. Gr. &unr_;, fr. &unr_; jointed; &unr_; in + &unr_; joint. ] (Anat.) A ball and socket joint, or the kind of articulation represented by such a joint. See Articulation. [ 1913 Webster ] |
| ball-and-socket joint | (n) a freely moving joint in which a sphere on the head of one bone fits into a rounded cavity in the other bone, Syn. enarthrosis, spheroid joint, articulatio spheroidea, enarthrodial joint, cotyloid joint |