joint hinge,
strap hinge a hinge with two long straps; one strap is fastened to the surface of a moving part (e.g., a door or lid) and the other is fastened to the adjacent stationary frame
hinge -
a circumstance upon which subsequent events depend; "his absence is the hinge of our plan"
hinge -
archaeology The breaking off of the distal end of a knapped stone flake whose presumed course across the face of the stone core was truncated prematurely, leaving not a feathered distal end but instead the scar of a nearly perpendicular break.
A hinge is a type of bearing that connects two solid objects, typically allowing only a limited angle of rotation between them. Two objects connected by an ideal hinge rotate relative to each other about a fixed axis of rotation. Hinges may be made of flexible material or of moving components.
OmegaWiki Dictionary
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hinge A bearing allowing the movement of two connected parts of a device, such as a door.