water jacket


: an outer casing which holds water or through which water circulates to cool the interior
specifically : the enclosed space surrounding the cylinder block of an internal combustion engine and containing the cooling liquid

Examples of water jacket in a Sentence

Recent Examples on the Web His company, and others, provide wet suits, water jackets, life jackets and helmets. Chris Biderman, Sacramento Bee, 7 June 2024 Instead, there's a water jacket surrounding the plenum chamber. Don Sherman, Car and Driver, 1 May 2023

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'water jacket.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1841, in the meaning defined above

Time Traveler
The first known use of water jacket was in 1841

Dictionary Entries Near water jacket

Cite this Entry

“Water jacket.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/water%20jacket. Accessed 15 Jul. 2024.

Last Updated: - Updated example sentences
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