ball cock
or ballcock
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noun
a device for regulating the supply of water in a tank, cistern, or the like, consisting essentially of a valve connected to a hollow floating ball which by its rise or fall shuts or opens the valve.
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Origin of ball cock
First recorded in 1780–90
Words nearby ball cock
ballbreaker, ball-buster, ball-carrier, ball clay, ball club, ball cock, ball control, balled-and-burlapped, baller, ballerina, Ballesteros
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Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021
Example sentences from the Web for ball cock
British Dictionary definitions for ball cock
ball cock
noun
a device for regulating the flow of a liquid into a tank, cistern, etc, consisting of a floating ball mounted at one end of an arm and a valve on the other end that opens and closes as the ball falls and rises with the water level in the cistern
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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