Thesaurus results for STOPCOCK

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

Utilities use them to trip the opening or closing of valves when water levels reach a certain threshold or to dispense precise amounts of chlorine in the treatment process.

— AJ Willingham, AJC.com, 6 Aug. 2026
One malfunctioning valve has been identified as the reason why Blue Origin’s New Glenn rocket exploded during a test that destroyed much of the company’s launch pad in Cape Canaveral.

— Richard Tribou, The Orlando Sentinel, 6 Aug. 2026