hinge

noun
UK /hɪndʒ/
US /hɪndʒ/

A hinge is a metal part that lets a door open and close.

The door squeaked because the hinge needed oil.


OTHER MEANINGS

2. A point on which something depends or turns.

The whole plan hinges on the weather.

3. To depend entirely on something.

Her decision will hinge on the test results.

4. A small folded piece used in stamp collecting to attach stamps.

He used a hinge to mount the stamp in his album.