# throttle

> English word · Noun · IPA /ˈθɹɒt.l̩/ · frequency rank #15,718

## Definitions
1. A valve that regulates the supply of fuel-air mixture to an internal combustion engine and thus controls its speed; a similar valve that controls the air supply to an engine.
2. The lever or pedal that controls this valve.
3. The windpipe or trachea.

## Etymology
From Middle English *throtel, diminutive of throte (“throat”), equivalent to throat + -le. Compare German Drossel (“throttle”). More at throat.

## Common misspellings (11)
`htrottle`, `thhrottle`, `thorttle`, `throtle`, `throtlte`, `throttel`, `throttlle`, `thrrottle`, `thrtotle`, `trhottle`, `tthrottle`

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