petcock

American  

[pet-kok] / ˈpɛtˌkɒk /

Or pet cock

noun

1. a small valve or faucet, as for draining off excess or waste material from the cylinder of a steam engine or an internal-combustion engine.

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petcock British  

/ ˈpɛtˌkɒk /

noun

1. a small valve for checking the water level in a steam boiler or draining condensed steam from the cylinder of a steam engine

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Etymology

Origin of petcock

1860–65; pet, perhaps < French pet ( see petard) + cock ¹

Example Sentences

When the petcock is relocated, the fuel line is rerouted up and over the carburetor, making the hot start and choke knobs on the carburetor much, much easier to access.

From Time Magazine Archive

Now, make sure your fuel petcock is turned off, grab your T-handles, and remove the seat and gas tank in order to expose the valve cover on the top of your motor.

From Time Magazine Archive

Works Connection has been producing the best radiator braces available for years now, and the braces for the new Suzuki RM-Z450 even feature a petcock relocating bracket.

From Time Magazine Archive

At the same time, they addressed the petcock placement issue and have come out with a must-have kit for all RM-Z450 owners.

From Time Magazine Archive

One crawled in and settled down, and turned the petcock that inflated the cover.

From Space Tug by Leinster, Murray

Related Words

• spigot
• valve