English-English Dictionary

Meaning of the word seal in English

What does seal mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

seal

US /siːl/
UK /siːl/
"seal" picture

Noun

1.

a device or substance that is used to join two things together so as to prevent them from coming apart or to prevent anything from passing between them

Example:
•
The broken seal caused the leak.
•
Make sure the seal on the container is tight.
Synonym:
gasketclosurefastenerplugstopper
2.

a piece of wax, lead, or other material with an individual design stamped into it, attached to a document as a mark of authenticity or used to close a letter or package

Example:
•
The king's letter bore his royal seal.
•
The document was authenticated with an official seal.
Synonym:
stampimprintmarkembleminsignia
3.

a carnivorous marine mammal with flippers, a streamlined body, and a layer of blubber, able to live on land and in water

Example:
•
We saw a seal basking on the rocks.
•
Seals are excellent swimmers.

Verb

1.

fasten or close securely, so that air, liquid, or other contents cannot enter or escape

Example:
•
Please seal the envelope before mailing it.
•
The jar was perfectly sealed to keep the contents fresh.
Synonym:
closefastensecureshutcork
2.

formally certify or approve (something)

Example:
•
The deal was sealed with a handshake.
•
Their fate was sealed when the enemy attacked.
Synonym:
confirmfinalizeratifyapproveauthenticate
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Related Word:
elephant seal