petcock

IPA: pˈɛtkɑk

A small valve, spout, or faucet operated by hand, usually used to release pressure or drain fluid.

Examples of "petcock" in Sentences

The heat touched off the Hi-Thrust which burst in a needle flame from the petcock.
Most quads already have a fuel filter in the petcock, though, and adding another one is overkill.
Foyle opened the drainage petcock in the combustion chamber of the jet and tortuously filled the chamber with fuel by hand.
Drain gas from my bike's petcock into a 1 gallon ziploc bag. then pour from bag into Phil's tank, and voila! we make it to the next gas stop.
She set the kettle on the ground, knelt to search for the petcock, and only then turned on the flashlight, remembering as she always did when she saw its jabbing circle of light, how much it had cost and how Clovis was always having to buy batteries for it.