cotyloid : Idioms & Phrases


cotyloid cavity

  • noun the cup-shaped hollow in the hipbone into which the head of the femur fits to form a ball-and-socket joint
    acetabulum.
WordNet

cotyloid joint

  • noun a freely moving joint in which a sphere on the head of one bone fits into a rounded cavity in the other bone
    enarthrodial joint; enarthrosis; spheroid joint; ball-and-socket joint; articulatio spheroidea.
WordNet