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2 definitions found

From: DICT.TW English-Chinese Medical Dictionary 英漢醫學字典

 ball-and-socket joint 名詞
 球窩關節,杵臼關節

From: WordNet (r) 2.0

 ball-and-socket joint
      n 1: a freely moving joint in which a sphere on the head of one
           bone fits into a rounded cavity in the other bone [syn:
           spheroid joint, cotyloid joint, enarthrodial joint,
            enarthrosis, articulatio spheroidea]
      2: a joint that can rotate within a socket