cotyloid joint


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Noun1.cotyloid joint - a freely moving joint in which a sphere on the head of one bone fits into a rounded cavity in the other bonecotyloid joint - a freely moving joint in which a sphere on the head of one bone fits into a rounded cavity in the other bone
articulatio synovialis, diarthrosis, synovial joint - a joint so articulated as to move freely
articulatio humeri, shoulder joint, shoulder - a ball-and-socket joint between the head of the humerus and a cavity of the scapula
articulatio coxae, coxa, hip joint, hip - the ball-and-socket joint between the head of the femur and the acetabulum