hinge (h nj)n. A jointed or flexible device that allows the turning or pivoting of a part, such as a door or lid, on a stationary frame. |
hinge
see hinge joint.
craniofacial hinge
flexible connection between the skull bones in many birds and reptiles which permit the upper jaw to be raised at the same time as the mandible is depressed; well developed between the nasal and frontal bones in psittacine birds.
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