grout

• grewt, groute, grut (obsolete)

From Middle English growte, grut, from Old English grūt (“dregs; coarse meal”), 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]

• (UK) IPA^(key): /ɡɹaʊt/

  • Audio (Southern England)

    (file)

• (Canada) IPA^(key): /ɡɹʌut/
• Rhymes: -aʊt

grout (countable and uncountable, plural grouts)

1. A thin mortar used to fill the gaps between tiles and cavities in masonry.
2. (archaic) Coarse meal; groats.
3. (archaic, chiefly in the plural) Dregs, sediment.
   • 1855 December – 1857 June, Charles Dickens, chapter V, in Little Dorrit, London: Bradbury and Evans, […], published 1857, →OCLC:

     grouts of tea

4. (UK, obsolete) A kind of beer or ale.

• groat
• grits
• gruel

grout (third-person singular simple present grouts, present participle grouting, simple past and past participle grouted)

1. To insert mortar between tiles.

   I spent the whole afternoon grouting the kitchen floor.

   • 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:

     * Stitching and grouting fractures in masonry, insertion of date marker tabs for monitoring.

2. To affix with mortar.
   • December 15 2022, Samanth Subramanian, “Dismantling Sellafield: the epic task of shutting down a nuclear site”, in The Guardian‎:

     The year before the pandemic, a sump tank attached to a waste pond sprang a leak and had to be grouted shut.

• Rutog

grout ? (uncountable)

1. grout

grout

1. Alternative form of growte