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grout

[grout] /graʊt/
noun
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.
3.
Usually, grouts. lees; grounds.
4.
Archaic.
  1. coarse meal or porridge.
  2. grouts, groats.
verb (used with object)
5.
to fill or consolidate with grout.
6.
to use as grout.
Origin of grout
1150
before 1150; Middle English; Old English grūt; see grits, groats, grit
Related forms
grouter, noun
ungrouted, adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2016.
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British Dictionary definitions for un-grouted

grout

/ɡraʊt/
noun
1.
a thin mortar for filling joints between tiles, masonry, etc
2.
a fine plaster used as a finishing coat
3.
coarse meal or porridge
verb
4.
(transitive) to fill (joints) or finish (walls, etc) with grout
Derived Forms
grouter, noun
Word Origin
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
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Word Origin and History for un-grouted

grout

n.

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
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