- 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.
- coarse meal or porridge.
- to fill or consolidate with grout.
- to use as grout.
Origin of grout
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
- 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
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
1580s, "thin, fluid mortar," originally "coarse porridge," perhaps from Old English gruta (plural) "coarse meal," related to Old English grytta (see grits). As a verb from 1838. Related: grouted; grouting.
Online Etymology Dictionary, © 2010 Douglas Harper