STOPCOCK Synonyms: 9 Similar Words | Merriam-Webster Thesaurus

stopcock

noun

ˈstäp-ˌkäk

Definition of stopcock

as in valve

a fixture for controlling the flow of a liquid a mechanical engineer who designs industrial valves and stopcocks

Synonyms & Similar Words

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Example Sentences

Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.

Recent Examples of stopcock Levers, stopcocks, switches and buttons sent decisions back out. — The Economist, 18 Dec. 2019

Recent Examples of Synonyms for stopcock

valve

Noun

The engine can emphasize tractability at lower revs, then switch to a more aggressive valve profile higher up the rev range.

— New Atlas, New Atlas, 20 Aug. 2026
Her younger brother, actor Jansen Panettiere, died in February 2023 of aortic valve complications at age 28.

— Jodi Guglielmi, Rolling Stone, 17 Aug. 2026

Definition of valve

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“Stopcock.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/stopcock. Accessed 26 Aug. 2026.

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