noun

1. A jointed or flexible device that allows the pivoting of a door etc.

2. A naturally occurring joint resembling such hardware in form or action, as in the shell of a bivalve.

3. A stamp hinge, a folded and gummed paper rectangle for affixing postage stamps in an album.

Synonyms: har, quartile

verb

1. To attach by, or equip with a hinge.

2. (with on or upon) To depend on something.

3. 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.

   “The flake hinged at an inclusion in the core.”