There are 2 definitions of sealer in English:

sealer1

Syllabification: seal·er
Pronunciation: /ˈsēlər
 
/

noun

  • 1A device or substance used to seal something, especially with a hermetic or an impervious seal.
    More example sentences
    • Dry thoroughly, then apply an acrylic sealer or three coats of lemon oil.
    • Waxes or acrylic sealers are commonly used for this.
    • Before staining, you may want to apply a special wood sealer to the flooring.
  • 2 (also sealer jar) Canadian A jar with a hermetic seal designed to preserve food such as fruit, pickles, and jams.

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Definition of sealer in:

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Word of the day coloratura
Pronunciation: ˌkələrəˈto͝orə
noun
elaborate ornamentation of a vocal melody

There are 2 definitions of sealer in English:

sealer2

Syllabification: seal·er
Pronunciation: /
 
ˈsēlər/

noun

  • A ship or person engaged in hunting seals.
    More example sentences
    • Shipped from England to Port Jackson, he served seven years for theft, but later became a sealer, earning enough to buy into his first ship.
    • Those reports also found a wide readership among other explorers, and the southern ocean soon teemed with whalers and sealers from all over the world.
    • Sealers came from all over the world to exploit the animal resources on the islands from 1803.

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Definition of sealer in:

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Word of the day coloratura
Pronunciation: ˌkələrəˈto͝orə
noun
elaborate ornamentation of a vocal melody