hinge Definition

hinge
noun

1. The movable hook or joint by which a door is fastened to a door-frame or a lid is fastened to a box, etc and also on which they turn when opened or closed.
2. biol.
The pivoting point from which a bivalve opens and closes.
3. philately.
A small piece of gummed paper used for attaching stamps to the page of an album.
Form: stamp hinge (in full)
4. A principle or fact on which anything depends or turns.

verb hinged, hinging

1. To provide a hinge or hinges for something.

Etymology: 14c as henge.

Etymology: 18c.

Phrasal Verb: hinge on something

To hang or turn on it.To depend on it
Example: Everything hinges on their decision.