- 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. 2018
- 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
Old English grūt; related to Old Frisian grēt sand, Middle High German grūz, Middle Dutch grūte coarse meal; see grit, groats
Word Origin and History for un-grouted
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