Grout
Grout (grout) , noun
[Anglo-Saxon grūt; akin to grytt, German grutze, griess, Icelandic grautr, Lithuanian grudas corn, kernel, and English groats.]
1.
Coarse meal; ground malt;
groats.
2.
Formerly, a kind of beer or ale. [English]
3.
Lees; dregs; grounds. [English]
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. — Gwilt
Grout , transitive verb
To fill up or finish with grout, as the joints between stones.