Grout (grout), n. [AS. grūt; akin to grytt, G. grütze, griess, Icel. grautr, Lith. grudas corn, kernel, and E. groats.] 1. Coarse meal; ground malt; pl. groats.
2. Formerly, a kind of beer or ale.
3. pl. Lees; dregs; grounds. “Grouts of tea.” Dickens.
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. Gwilt.