lever
A rigid piece which is capable of turning about one point, or axis (fulcrum), and in which are two or more other points where forces are applied; — used for transmitting and modifying force and motion.
Other meanings
A small such piece to trigger or control a mechanical device (like a switch or a button).
A bar, as a capstan bar, applied to a rotatory piece to turn it.
A kind of
- bar
Kinds of lever
- compound lever
- trigger
- key
- dog hook
- pedal
- pinch bar
- spark lever
- stick
Example sentences
Word history
From Latin "levātor" (a lifter).
Where this comes from
This definition is adapted from “lever” 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.