(n.) A large vessel, cistern, or tub, especially one used for holding in an immature state, chemical preparations for dyeing, or for tanning, or for tanning leather, or the like.

(2):

(n.) A measure for liquids, and also a dry measure; especially, a liquid measure in Belgium and Holland, corresponding to the hectoliter of the metric system, which contains 22.01 imperial gallons, or 26.4 standard gallons in the United States.

(3):

(n.) A wooden tub for washing ores and mineral substances in.

(4):

(n.) A square, hollow place on the back of a calcining furnace, where tin ore is laid to dry.

(5):

(n.) A vessel for holding holy water.

(6):

(v. t.) To put or transfer into a vat.

Bibliography Information
Webster, Noah. Entry for 'Vat'. Noah Webster's American Dictionary. https://www.studylight.org/dictionaries/eng/web/v/vat.html. 1828.

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