Dictionary.com

petcock

or pet cock

[ pet-kok ]
/ ˈpɛtˌkɒk /
Save This Word!

noun
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.
QUIZ
ARE YOU A TRUE BLUE CHAMPION OF THESE "BLUE" SYNONYMS?
We could talk until we're blue in the face about this quiz on words for the color "blue," but we think you should take the quiz and find out if you're a whiz at these colorful terms.
Question 1 of 8
Which of the following words describes “sky blue”?
Meet Grammar CoachWrite or paste your essay, email, or story into Grammar Coach and get grammar helpImprove Your Writing
Meet Grammar CoachImprove Your Writing
Write or paste your essay, email, or story into Grammar Coach and get grammar help

Origin of petcock

1860–65; pet, perhaps <French pet (see petard) + cock1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

How to use petcock in a sentence

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

    Space Tug|Murray Leinster

British Dictionary definitions for petcock

petcock
/ (ˈpɛtˌkɒk) /

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

Word Origin for petcock

C19: from pet 1 or perhaps French pet, from péter to break wind + cock 1
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
FEEDBACK