noun / verb
hinge
HINJ/hɪndʒ/
A pivotal joint on which connected parts turn.
The brass hinge joins the door to its frame around a central turning pin.

Etymology
The historical image is the thing from which a door hangs. The word belongs to the same family as “hang,” connecting the joint with its supporting role.
In context
- [Instructor] Imagine you've got a door here with a blue door knob. Any one of these 10 newton forces will cause the door to rotate around the hinge or the axis, or sometimes this is called the pivot point.
More examples
- We hinge the lid along its back edge.
- She oils the rusty hinges so the gate swings freely.
- Our camping trip hinges on the weather.
Forms
hinge · hinges · hinged · hinging