Is “Hinge” a Scrabble word?

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

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

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

Synonyms: har, quartile

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

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

3. 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.”