# tappet

> English word · Noun

## Definitions
1. A lever or projection which is moved by some other piece, as a cam, or intended to tap or touch something else, in order to produce change or regulate motion.

## Etymology
From tap + -et, possibly influenced by homophony with "tap it."

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/tappet