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stopcock

American  
[stop-kok] / ˈstɒpˌkɒk /

noun

  1. cock.


stopcock British  
/ ˈstɒpˌkɒk /

noun

  1. a valve used to control or stop the flow of a fluid in a pipe

"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

Etymology

Origin of stopcock

First recorded in 1575–85; stop + cock 1

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

While down below, in the engine room, there grow “vines of copper piping and sprouting thermometers, the fuel pumps budded with bolts and flowering stopcocks”.

From Economist

"As ice turns to water in the Arctic, New Atlantis turns stopcocks in London," trumpet the headlines in the newspapers.

From BBC

The image immediately above shows the location of a gas stopcock cover.

From BBC

“The stopcock is broken off this manifold and needs to be sealed back together.”

From New York Times

A brass tube AB, polished inside, and closed with plates of highly diathermanous rocksalt at either end, was fitted with stopcocks C and D for exhausting and admitting air or other gases or vapours.

From Project Gutenberg