[ grout ]
/ graʊt /


a thin, coarse mortar poured into various narrow cavities, as masonry joints or rock fissures, to fill them and consolidate the adjoining objects into a solid mass.
a coat of plaster for finishing a ceiling or interior wall.
Usually grouts. lees; grounds.
  1. coarse meal or porridge.
  2. grouts, groats.

verb (used with object)

to fill or consolidate with grout.
to use as grout.

Origin of grout

before 1150; Middle English; Old English grūt; see grits, groats, grit

Related forms

grout·er, nounun·grout·ed, adjective Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for grouts

  • The Grouts, however, were eager to go early and get it over with.

    In a Little Town|Rupert Hughes
  • The grouts of coffee will in a few seconds fall to the bottom of the cups.

  • Only they did not say "before folks" now; the Grouts never said "before folks" now—they said, "In the presence of guests."

    In a Little Town|Rupert Hughes

British Dictionary definitions for grouts (1 of 2)


/ (ɡraʊts) /

pl n

mainly British sediment or grounds, as from making coffee
a variant of groats

British Dictionary definitions for grouts (2 of 2)


/ (ɡraʊt) /


a thin mortar for filling joints between tiles, masonry, etc
a fine plaster used as a finishing coat
coarse meal or porridge


(tr) to fill (joints) or finish (walls, etc) with grout

Derived Forms

grouter, noun

Word Origin for grout

Old English grūt; related to Old Frisian grēt sand, Middle High German grūz, Middle Dutch grūte coarse meal; see grit, groats
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012