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grout.

A thin mortar used to fill the gaps between tiles and cavities in masonry.

5 characters1 syllables approx.English language

Meaning & usage

noun/ɡɹaʊt/UK, US/ɡɹʌut/Canada/ɡɹæɔt/Australia
  1. A thin mortar used to fill the gaps between tiles and cavities in masonry.

    countable · uncountable
  2. Coarse meal; groats.

    archaic · countable · uncountable
  3. Dregs, sediment.

    archaic · countable · in-plural · uncountable
  4. A kind of beer or ale.

    UK · countable · obsolete · uncountable
Where this word comes from

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.

verb/ɡɹaʊt/UK, US/ɡɹʌut/Canada/ɡɹæɔt/Australia
  1. To insert mortar between tiles.

    transitive
    I spent the whole afternoon grouting the kitchen floor.
  2. To affix with mortar.

    transitive
Where this word comes from

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.

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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.

Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.