Grout /(grout)/

1. Coarse meal; ground malt;
2. Formerly, a kind of beer or ale. [Eng.]
3. Lees; dregs; grounds. [Eng.]
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.

imp. & p. p. Grouted; p. pr. & vb. n. Grouting

1. To fill up or finish with grout, as the joints between stones.