grout
verbEtymology From Middle English growte, grut, from Old English grūt (“dregs; coarse meal”), from Proto-West Germanic *grūt, from Proto-Germanic *grūtą (compare Dutch gruit (“dregs”), German Grauß, Norwegian grut (“ground”)), lengthening of Proto-Germanic *grutą, ultimately from Proto-Indo-European *gʰer- (“to grind, rub”). Related to grit.
1
To insert mortar between tiles.
- I spent the whole afternoon grouting the kitchen floor.
- * Stitching and grouting fractures in masonry, insertion of date marker tabs for monitoring.2020 May 20, Philip Haigh, “Ribblehead: at the heart of the S&C's survival and its revival: Ribblehead Viaduct repairs”, in Rail, page 27:
2
To affix with mortar.
- The year before the pandemic, a sump tank attached to a waste pond sprang a leak and had to be grouted shut.December 15 2022, Samanth Subramanian, “Dismantling Sellafield: the epic task of shutting down a nuclear site”, in The Guardian: