Grout definition

grout
(chiefly british) Sediment; lees.
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A thin mortar used to fill cracks and crevices in masonry.
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A thin plaster for finishing walls and ceilings.
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To fill or finish with a thin mortar or plaster.
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(brit.) Sediment; dregs.
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A thin mortar used to fill chinks, as between tiles.
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A fine plaster for finishing surfaces.
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Coarse meal.
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To fill or finish with grout.
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A thin mortar used to fill the gaps between tiles and cavities in masonry.
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(now rare) Coarse meal; groats.
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(now rare) (typically used in the plural) Dregs, sediment.
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To insert mortar between tiles.

I spent the whole afternoon grouting the kitchen floor.

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Origin of grout

  • Middle English grain used for making malt, mud from Old English grūt coarse meal

    From American Heritage Dictionary of the English Language, 5th Edition

  • From obsolete grewt, grut (“dirt, soul”), from Middle English 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.

    From Wiktionary