sealer

1 of 2

noun (1)

seal·​er ˈsē-lər How to pronounce sealer (audio)
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

sealer

2 of 2

noun (2)

: a person or a ship engaged in hunting seals

Examples of sealer in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Noun
Preserving fruits, vegetables, and herbs couldn’t be easier thanks to this best-selling vacuum sealer. — Alicia Geigel, Southern Living, 30 July 2026 In addition to the chickens, Frank flushed his shoes down one of the toilets, Dennis and Dee kept blowing fuses with the scheme’s need for a power-sucking vacuum sealer, and the basement was choked with carbon monoxide. — Dennis Perkins, Entertainment Weekly, 28 July 2026 Some sealers contain mildew-resistant additives that provide an extra layer of protection. — Olivia McIntosh, Martha Stewart, 26 July 2026 New Zealand boasts more than 200,000 fur seals in its waters, a population that’s only just bounced back after millions were hunted into near extinction by European sealers in the early 1800s. — Todd Symons, CNN Money, 22 July 2026 See All Example Sentences for sealer

Word History

First Known Use

Noun (1)

15th century, in the meaning defined at sense 1

Noun (2)

1770, in the meaning defined above

Time Traveler
The first known use of sealer was in the 15th century

Rhymes for sealer

See All Rhymes for sealer

Browse Nearby Words

sea leopard
sealer
sealer's finger
See all Nearby Words

Cite this Entry

“Sealer.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/sealer. Accessed 5 Aug. 2026.

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Kids Definition

sealer

1 of 2 noun
seal·​er ˈsē-lər How to pronounce sealer (audio)
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

More from Merriam-Webster on sealer

Nglish: Translation of sealer for Spanish Speakers

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