petcock

noun

pet·​cock ˈpet-ˌkäk How to pronounce petcock (audio)
: a small cock, faucet, or valve for releasing a gas (such as air) or draining

Word History

Etymology

pet- (perhaps from petty) + cock

First Known Use

circa 1864, in the meaning defined above

Time Traveler
The first known use of petcock was circa 1864

Dictionary Entries Near petcock

Cite this Entry

“Petcock.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/petcock. Accessed 8 Dec. 2022.

More from Merriam-Webster on petcock

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