[ grout ]
See synonyms for: groutgrouts on

  1. 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.

  2. a coat of plaster for finishing a ceiling or interior wall.

  1. Usually grouts. lees; grounds.

  2. Archaic.

    • coarse meal or porridge.

    • grouts, groats.

verb (used with object)
  1. to fill or consolidate with grout.

  2. to use as grout.

Origin of grout

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

Other words from grout

  • grouter, noun
  • un·grout·ed, adjective

Words Nearby grout Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024

How to use grout in a sentence

British Dictionary definitions for grout


/ (ɡraʊt) /

  1. a thin mortar for filling joints between tiles, masonry, etc

  2. a fine plaster used as a finishing coat

  1. coarse meal or porridge

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

Origin of grout

Old English grūt; related to Old Frisian grēt sand, Middle High German grūz, Middle Dutch grūte coarse meal; see grit, groats

Derived forms of grout

  • grouter, noun

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