From The Collaborative International Dictionary of English v.0.48:
MASH \MASH\, MASH \M*A*S*H\, n. (Mil.)
An abbreviation for Mobile Army Surgical Hospital,
consisting of the equipment and personnel required to perform
emergency operations on injured soldiers, located in tents
near the front lines of combat; as, he worked in the 25th
MASH.
[PJC]
From The Collaborative International Dictionary of English v.0.48:
MASH \MASH\, MASH \M*A*S*H\, n. (Mil.)
An abbreviation for Mobile Army Surgical Hospital,
consisting of the equipment and personnel required to perform
emergency operations on injured soldiers, located in tents
near the front lines of combat; as, he worked in the 25th
MASH.
[PJC]
From The Collaborative International Dictionary of English v.0.48:
Mash \Mash\, n.
A mesh. [Obs.]
[1913 Webster]
From The Collaborative International Dictionary of English v.0.48:
Mash \Mash\, n. [Akin to G. meisch, maisch, meische, maische,
mash, wash, and prob. to AS. miscian to mix. See Mix.]
[1913 Webster]
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.
[1913 Webster]
2. A mixture of meal or bran and water fed to animals.
[1913 Webster]
3. A mess; trouble. [Obs.] --Beau. & Fl.
[1913 Webster]
Mash tun, a large tub used in making mash and wort.
[1913 Webster]
From The Collaborative International Dictionary of English v.0.48:
Mash \Mash\, v. t. [imp. & p. p. Mashed; p. pr. & vb. n.
Mashing.] [Akin to G. meischen, maischen, to mash, mix, and
prob. to mischen, E. mix. See 2d Mash.]
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.
[1913 Webster]
Mashing tub, a tub for making the mash in breweries and
distilleries; -- called also mash tun, and mash vat.
[1913 Webster]