n. & v.
n. 1 a soft mixture. 2 a mixture of boiled grain, bran, etc., given warm to horses etc. 3 Brit. colloq. mashed potatoes (sausage and mash). 4 a mixture of malt and hot water used to form wort for brewing. 5 a soft pulp made by crushing, mixing with water, etc.
v.tr. 1 reduce (potatoes etc.) to a uniform mass by crushing. 2 crush or pound to a pulp. 3 mix (malt) with hot water to form wort. masher n.
[ OE masc f. WG, perh. rel. to MIX ]