noun
nut
A fastener with a threaded hole that screws onto a bolt.
She tightens the nut with a wrench to secure the bolt.
Etymology
The fastener-name applies the familiar name of a small, compact hard object to a piece of metal. Its central threaded opening lets it secure a bolt.
More examples
- This nut is too small to fit the bolt.
- Four nuts hold the metal bracket in place.
- Turn the nut counterclockwise to loosen it.
Forms
nut · nuts
Similar words
- locknut
- A type of nut designed to resist accidental loosening.
- fastener
- A broader term covering nuts, bolts, screws, and similar hardware.