: a small cock, faucet, or valve for releasing a gas (such as air) or draining
Examples of petcock in a Sentence
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Heat at the highest setting until steam flows freely from the open petcock or vent port.
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Andrea Beck, Better Homes & Gardens, 10 Aug. 2023
Then place the weight on the vent port or close the petcock.
—Andrea Beck, Better Homes & Gardens, 10 Aug. 2023
Leave weight off the vent port or open the petcock.
—Andrea Beck, Better Homes & Gardens, 10 Aug. 2023
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Andrea Beck, Better Homes & Gardens, 10 Aug. 2023
Then place the weight on the vent port or close the petcock.
—Andrea Beck, Better Homes & Gardens, 10 Aug. 2023
Leave weight off the vent port or open the petcock.
—Andrea Beck, Better Homes & Gardens, 10 Aug. 2023
Cite this Entry
“Petcock.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/petcock. Accessed 1 Mar. 2025.
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