1 of 3


: a large vessel (such as a cistern, tub, or barrel) especially for holding liquors in an immature state or preparations for dyeing or tanning
: a liquor containing a dye converted into a soluble reduced colorless or weakly colored form that on textile material steeped in the liquor and exposed to the air is converted by oxidation to the original insoluble dye and precipitated in the fiber


2 of 3


vatted; vatting

transitive verb

: to put into or treat in a vat


3 of 3


value-added tax

Examples of vat in a Sentence

Recent Examples on the Web
First the tomatoes are pasteurized in a vat at the precise boiling point of water, 212 degrees Fahrenheit, for an hour, then in a tank at 122 degrees for 20 minutes. Ligaya Mishan Anthony Cotsifas Emily Woo Zeller Tanya Pérez Quinton Kamara, New York Times, 13 May 2024 One of its oak vats, the General, dates from 1903 and holds ten thousand gallons of fermenting apple juice. Sam Knight, The New Yorker, 4 May 2024
This was a period when distilleries and their parent companies were still very much concentrating on blends alongside a limited number of single malts, which were often vatted to create a uniform taste and strength. Mark Littler, Forbes, 29 Feb. 2024 Lastly, the whiskeys were vatted together and bottled at cask strength of 113.8 proof with no chill filtration. Jonah Flicker, Robb Report, 14 Jan. 2024 See all Example Sentences for vat 

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

Word History



Middle English vet, vat, southern variant of fat, fet, going back to Old English fæt, going back to Germanic *fata- (whence Old Saxon fat "vessel," Old High German faz); akin to Lithuanian púodas "pot"

First Known Use


12th century, in the meaning defined at sense 1


1784, in the meaning defined above

Time Traveler
The first known use of vat was in the 12th century

Dictionary Entries Near vat

Cite this Entry

“Vat.” Dictionary, Merriam-Webster, Accessed 15 Jun. 2024.

Kids Definition


: a large container (as a tub) especially for holding liquids in manufacturing processes

Legal Definition



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