/ mæʃ; NAmE / noun , verb
■ noun
1.
( especially BrE ) = mashed potato
2.
[ U ] grain cooked in water until soft, used to feed farm animals
3.
[ U ] a mixture of malt grains and hot water, used for making beer, etc.
4.
[ sing. ] a ~ (of sth) any food that has been crushed into a soft mass :
The soup was a mash of grain and vegetables.
—see also mishmash
■ verb
[ vn ] mash sth (up) to crush food into a soft mass :
Mash the fruit up with a fork.
► mashed adjective :
mashed banana
••
WORD ORIGIN
Old English māsc (as a brewing term), of West Germanic origin; perhaps ultimately related to mix .