from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. A small valve or faucet used to drain or reduce pressure, as from a boiler.

from Wiktionary, Creative Commons Attribution/Share-Alike License

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

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. regulator consisting of a small cock or faucet or valve for letting out air or releasing compression or draining


from The American Heritage® Dictionary of the English Language, 4th Edition

Perhaps pet1 + cock1.


  • Most quads already have a fuel filter in the petcock, though, and adding another one is overkill.

    Maintenance Tip: Filtered Fuel vs Filtered Air

  • 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.

    Archive 2006-05-01

  • The heat touched off the Hi-Thrust which burst in a needle flame from the petcock.

    The Stars My Destination

  • Foyle opened the drainage petcock in the combustion chamber of the jet and tortuously filled the chamber with fuel by hand.

    The Stars My Destination

  • 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.

    The Dollmaker

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

    Space Tug

  • You could even have it keep a reserve charge which must be manually switched in, much like the old motorcycle petcock valves on the fuel line.

    Autoblog Green

  • Theres all new antifreeze, new iridium spark plugs, cleaned K&N air filter, fixed petcock, all new brake fluid front and rear and their bleed very well. - Articles related to Test your fuel-economy know-how

  • If your bike has a carburetors and petcock, close the petcock while the bike is running until it stops.

    The Globe and Mail - Home RSS feed

  • - New fuel lines, fuel filters and petcock (fuel valve) - New ignition switch

    craigslist | all for sale / wanted in los angeles


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  • "Pressure canners for use in the home were extensively redesigned beginning in the 1970's. Models made before the 1970's were heavy-walled kettles with clamp-on or turn-on lids. They were fitted with a dial gauge, a vent port in the form of a petcock or covered with a counterweight, and a safety fuse."

    - 'Using Pressure Canners', Elizabeth L. Andress.

    April 5, 2008