(v. t.) 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.
MASH
Meaning of MASH in English
Webster's English dictionary. Английский словарь Webster. 2012