Definify.com
Webster 1913 Edition
Mash
Mash
,Noun.
 A mesh. 
[Obs.] 
 Mash
,Noun.
 [Akin to G. 
meisch
, maisch
, meische
, maische
, mash, wash, and prob. to AS. miscian 
to mix. See Mix
.] 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.] 
Beau. & Fl.
 Mash tun
, a large tub used in making mash and wort.
 Mash
,Verb.
 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 pestleSpecifically 
(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
.Webster 1828 Edition
Mash
MASH
,Noun.
 1.
  A mixture or mass of ingredients, beaten or blended together in a promiscuous manner.2.
  A mixture for a horse.3.
  A mesh.  [See Mesh, the more common orthography.]MASH
,Verb.
T.
  1.
  To bruise; to crush by beating or pressure; as, to mash apples in a mill.2.
  To mix malt and water together in brewing.