\ˈgrau̇t \

Definition of grout 

(Entry 1 of 2)

1a : thin mortar used for filling spaces (such as the joints in masonry) also : any of various other materials (such as a mixture of cement and water or chemicals that solidify) used for a similar purpose

b : plaster

2 : lees


grouted; grouting; grouts

Definition of grout (Entry 2 of 2)

transitive verb

1 : to fill up or finish with grout

2 : to fix in place by means of grout grout a bolt into a wall

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Other Words from grout


grouter noun

Examples of grout in a Sentence


I need to grout the bathroom tiles.

Recent Examples on the Web: Noun

But what looked like missing grout and corrosion between the tiles was really grime. Marni Jameson,, "7 mistakes rookie DIY decorators make," 13 July 2018 If rock cover overhead becomes too shallow, another jet-grouting technique is employed: drilling down from the surface and injecting grout to replace till and clay with concrete columns providing additional reinforcement. William Steel, Ars Technica, "An inside look at how Sweden is building the world’s second-longest tunnel," 10 Mar. 2018 When the structure began to shift recently, the Army Corps of Engineers brought in scuba divers to pump in low-density grout to stabilize the 600-foot-long structure. Meg Jones, Milwaukee Journal Sentinel, "The Mississippi River lock and dam system is critical to the economy. But it's falling apart fast.," 1 June 2018 Tiles have broken loose, and the grout between them is breaking up, said Jennifer Yribar, the department’s outreach and education coordinator. Sven Berg, The Seattle Times, "Heat, water and trucks are destroying a Boise mosaic," 9 July 2018 The same goes for the mosaic’s grout and mortar, according to the report. Sven Berg, The Seattle Times, "Heat, water and trucks are destroying a Boise mosaic," 9 July 2018 Hollywood police say there were possible blood stains on a door and wall and in grout in the tile floor. Linda Trischitta,, "Killer shot father-in-law in back because he couldn't look in his eyes, cops say," 14 June 2018 Throw on a fresh coat of paint and refresh the tile grout. Victoria Kim,, "Singapore preps for Trump-Kim summit with fresh paint and arrests," 9 June 2018 If your tile needs further whitening, spray the tile and grout with Rejuvenate's Tile and Grout Everyday Cleaner. Jessica Leigh Mattern, Woman's Day, "The Best Way to Clean Grout," 29 Mar. 2017

Recent Examples on the Web: Verb

This gray-washed style doesn’t steal the spotlight from the large hexagonal tiles on the wall above the bath tub, grouted in charcoal gray to draw attention to their groovy outline. Joanna Linberg, Sunset, "10 Ideas for Decorating with Tile," 22 Jan. 2018 Over time, the water corrodes the system, rusting and rotting its infrastructure — and yet sealing and grouting these leaks often requires rerouting service on lines, further frustrating riders. Jonathan Mahler, New York Times, "The Case for the Subway," 3 Jan. 2018 The cinder block walls have been haphazardly grouted. Rebecca Collard, New York Times, "They Lost Their Country. Then a Fire Robbed Them of Even More.," 10 Dec. 2017 Stones are individually laid on a substrate of mortar and grouted with the same material. Josh Garskof, ELLE Decor, "The Pretenders," 5 July 2012 Victor Salgado, who makes $10.75 per hour with no benefits doing maintenance at an aerosol company and spent three years before that grouting floors, said he was attracted by the promise of an upgrade in pay and benefits. Noam Scheiber And Nick Wingfield, New York Times, "Amazon’s Jobs Fair Sends Clear Message: Now Hiring Thousands," 2 Aug. 2017 On Oct. 25 of that year, four construction workers were killed, buried beneath an earth slide when a 100-foot cliff collapsed at the dam while workers drilled a hole for grouting, according to Sentinel archives. Jessica A. York, The Mercury News, "Oroville Dam failure has Santa Cruz officials allaying fears," 21 Feb. 2017 As of Wednesday, the stones were grouted in place with concrete. James Ewinger,, "Wrecked and rebuilt I-90 footbridge to open in Collinwood (photos)," 26 May 2017 There has also been a sewer system rehab on Randolph Road, with lining and grouting to improve performance there. Thomas Jewell,, "Federal consent decree to expected to nearly quadruple Cleveland Heights' 2018 sewer bills," 17 May 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'grout.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of grout


1638, in the meaning defined at sense 1a


1838, in the meaning defined at sense 1

History and Etymology for grout


Middle English, coarse meal, from Old English grūt; akin to Old English grēot grit

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Statistics for grout

Last Updated

4 Oct 2018

Look-up Popularity

Time Traveler for grout

The first known use of grout was in 1638

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More Definitions for grout



English Language Learners Definition of grout

 (Entry 1 of 2)

: material used for filling spaces or cracks between tiles



English Language Learners Definition of grout (Entry 2 of 2)

: to fill the cracks in (something) with grout

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