1) Articulatio spheroidea 2) Articulatio synovialis 3) Cotyloid joint 4) Diarthrosis 5) Enarthrodial joint 6) Spheroid joint 7) Synovial joint 1) Coxa 
• (n.) A ball and socket joint, or the kind of articulation represented by such a joint. See Articulation.
(en″ahr-thro´sis) a joint in which the rounded head of one bone is received into a socket in another, permitting motion in any direction; called also ball-and-socket joint.
En`ar·thro'sis noun [ New Latin , from Greek ..., from ... jointed; ... in + ... joint.] (Anat.) A ball and socket joint, or the kind of articulation represented by such a joint. See Articulation . 
A joint (such as the hip or shoulder) which operates by way of a ball and socket.
Type: Term Pronunciation: en′ar-thrō′sis Synonyms: ball and socket joint
In anatomy enarthrosis is the ball-and-socket type of joint, such as the human hip.