ball cock

noun

: an automatic valve whose opening and closing are controlled by a hollow float at the end of a lever

Word History

First Known Use

1734, in the meaning defined above

Time Traveler
The first known use of ball cock was in 1734

Dictionary Entries Near ball cock

Cite this Entry

“Ball cock.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/ball%20cock. Accessed 28 Feb. 2024.

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