sealer

1 of 2

noun (1)

seal·​er ˈsē-lər 

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

Noun

Give the sealer about 10 minutes to set, then use a dry cloth to wipe away excess sealer from the surrounding tiles. —Timothy Dale, Better Homes & Gardens, 16 Jan. 2025

The Sine guitar features an ash body tastefully finished in linseed paint or a natural oil sealer. —New Atlas, 15 Jan. 2025

Buy a three-pack of these sealers for $12.18 at Walmart. —Nora Colomer, Fox News, 9 Dec. 2024

Mini bag sealer: on sale for $11.99 Original price: $12.99 Use this mini bag sealer to cut and reseal plastic bags and food pouches. —Nora Colomer, Fox News, 9 Dec. 2024

Word History

First Known Use

Noun (1)

15th century, in the meaning defined at sense 1

Noun (2)

1770, in the meaning defined above

Kids 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