throttle.
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.
Meaning & usage
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.
The lever or pedal that controls this valve.
The windpipe or trachea.
Where this word comes from
From Middle English *throtel, diminutive of throte (“throat”), equivalent to throat + -le. Compare German Drossel (“throttle”). More at throat.
To control or adjust the speed of (an engine).
To cut back on the speed of (an engine, person, organization, network connection, etc.).
To strangle or choke someone.
To have the throat obstructed so as to be in danger of suffocation; to choke; to suffocate.
To breathe hard, as when nearly suffocated.
To utter with breaks and interruption, in the manner of a person half suffocated.
Where this word comes from
From Middle English throtlen (“to choke, strangle, suffocate”), from the noun (see above). Compare German erdrosseln (“to strangle, choke, throttle”).
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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.
Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.