bolt
A (usually) metal fastener consisting of a cylindrical body that is threaded, with a larger head on one end. It can be inserted into an unthreaded hole up to the head, with a nut then threaded on the other end; a heavy machine screw.
Other meanings
Latch-related senses
A sliding pin or bar in a lock or latch mechanism.
A kind of
- screw
Kinds of bolt
- carriage bolt
- expansion bolt
- swivel pin
- machine bolt
- stove bolt
Example sentences
Word history
From Old English "bolt".
Where this comes from
This definition is adapted from “bolt” on Wiktionary, by its contributors; example sentences are from Tatoeba, credited to their authors above; related-word lists use Open English WordNet (CC BY 4.0, based on Princeton WordNet), published under CC BY-SA 4.0. This page is published under the same licence.