 ball-and-socket_joint |
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| 1. | [ noun ] (anatomy) a freely moving joint in which a sphere on the head of one bone fits into a rounded cavity in the other bone | |
| Synonyms: | cotyloid_joint enarthrodial_joint enarthrosis articulatio_spheroidea spheroid_joint | |
| Related terms: | synovial_joint hip shoulder | |
| 2. | [ noun ] a joint that can rotate within a socket | |
| Related terms: | joint socket | |
