Mash, n.
 1. A mass of mixed ingredients reduced to a soft pulpy state by beating or pressure; a mass of anything in a soft pulpy state. Specifically Brewing, ground or bruised malt, or meal of rye, wheat, corn, or other grain (or a mixture of malt and meal) steeped and stirred in hot water for making the wort.
 2. A mixture of meal or bran and water fed to animals.
 3. A mess; trouble. [Obs.]
 Mash tun, a large tub used in making mash and wort.


 Mash, v. t. [imp. & p. p. Mashed p. pr. & vb. n. Mashing.]  To convert into a mash; to reduce to a soft pulpy state by beating or pressure; to bruise; to crush; as, to mash apples in a mill, or potatoes with a pestle. Specifically Brewing, to convert, as malt, or malt and meal, into the mash which makes wort.
 Mashing tub, a tub for making the mash in breweries and distilleries; -- called also mash tun, and mash vat.

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