1.Coarse meal; ground malt; pl. Groats.
2.Formerly, a kind of beer or ale. (Eng.)
3.pl. Lees; dregs; grounds. (Eng.) "Grouts of tea."
4.A thin, coarse mortar, used for pouring into the joints of masonry and brickwork; also, a finer material, used in finishing the best ceilings.