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

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, EW.com, 10 July 2025

These are used most often with external suction sealers and are usually heat-resistant for use with sous vide machines. —Bestreviews, Chicago Tribune, 4 July 2025

Economic activity there essentially ended in 1877, when the trade in elephant seal oil was ended and the human population of sealers left the remote islands, which are located en route from Madagascar to Antarctica. —Brad Lendon, CNN Money, 3 Apr. 2025

Chamber vacuum sealers tend to be more expensive than their external suction vacuum sealer counterparts, but both are effective for packaging and storing solid foods like meat. —Katie Hill, Outdoor Life, 22 Mar. 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

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