Definition of grout

• n. - Coarse meal; ground malt; pl. groats.
• n. - Formerly, a kind of beer or ale.
• n. - Lees; dregs; grounds.
• n. - 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.
• v. t. - To fill up or finish with grout, as the joints between stones.