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

To increase their longevity, one shopper suggests treating the box with a water sealer. —Miles Walls, Better Homes & Gardens, 23 Mar. 2025

If so, ditch the clip and opt for an electric heat sealer. —Cody Godwin, USA TODAY, 11 Mar. 2025

The sealer’s double-vacuum pump keeps food fresh for longer periods, with a special double-heat seal option to keep liquids and moist foods secure. —Ho Lin, Miami Herald, 3 Mar. 2025

Wood fence stain and sealer: $33.99 This Amazon's Choice wood fence stain and sealer is easy to apply and long-lasting. —Nora Colomer, Fox News, 7 Mar. 2025

Word History

First Known Use

Noun (1)

15th century, in the meaning defined at sense 1

Noun (2)

1770, in the meaning defined above

Rhymes for sealer

• dealer
• feeler
• healer
• keeler
• peeler
• stealer
• repealer
• revealer

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