1
: an official who attests or certifies conformity to a standard of correctness
2
a
: a coat (as of size) applied to prevent subsequent coats of paint or varnish from sinking in
b
: a compound applied to grout especially to repel moisture and prevent staining
Cleaned or newly colored grout will stay that way longer, and be easier to clean, if the grout is coated with a sealer.—
Gene Austin
Gene AustinExamples of sealer in a Sentence
Recent Examples on the Web
Nora Colomer, Fox News, 28 Oct. 2024
These coatings, including stains, sealers, and paints, penetrate and bond to the surface, providing a durable shield that can prolong the life of your deck.
—Nafeesah Allen, Better Homes & Gardens, 16 Sep. 2024
Our favorite vacuum sealer, the Zwilling Fresh & Save, works for everything from left over casseroles to avocado halves to spelt flour.
—Elaheh Nozari, Bon Appétit, 18 Sep. 2024
As such, the Club Sport weighed around 155 pounds less than the standard car, thanks to the removal of air conditioning, sunroof, sound-deadening material, rear seats, power windows, and even reduced underbody sealer.
—Christian Gilbertsen, Robb Report, 6 Sep. 2024
See all Example Sentences for sealer 
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Noun
Use your sealer to send your guests home with servings of stuffing, turkey and pumpkin pie.
—Nora Colomer, Fox News, 28 Oct. 2024
These coatings, including stains, sealers, and paints, penetrate and bond to the surface, providing a durable shield that can prolong the life of your deck.
—Nafeesah Allen, Better Homes & Gardens, 16 Sep. 2024
Our favorite vacuum sealer, the Zwilling Fresh & Save, works for everything from left over casseroles to avocado halves to spelt flour.
—Elaheh Nozari, Bon Appétit, 18 Sep. 2024
As such, the Club Sport weighed around 155 pounds less than the standard car, thanks to the removal of air conditioning, sunroof, sound-deadening material, rear seats, power windows, and even reduced underbody sealer.
—Christian Gilbertsen, Robb Report, 6 Sep. 2024
See all Example Sentences for sealer
Dictionary Entries Near sealer
Cite this Entry
“Sealer.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/sealer. Accessed 28 Nov. 2024.
Copy CitationKids Definition
sealer
1 of 2 noun
seal·er
ˈsē-lər 
1
: an official who certifies weights and measures
2
: a substance used on a surface to be painted that prevents the paint from sinking in
sealer
2 of 2 noun
: a person or a ship engaged in hunting seals
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