26984 words

seal

24 definitions • 26 examples
1
a large mammal that eats fish and lives partly in the sea and partly on land or ice
2
something fixed around the edge of an opening to prevent liquid or gas flowing through it:

Examples:

Clean the seal on/around the fridge door regularly so that it remains airtight.
3
a thin piece of material such as paper or plastic that covers the opening of a container and has to be broken in order to open the container and use the contents
4
an official mark on a document, sometimes made with wax, that shows that it is legal or has been officially approved:

Examples:

The lawyer stamped the certificate with her seal.
5
to close an entrance or container so that nothing can enter or leave it
6
to cover a surface with a special liquid to protect it:

Examples:

This floor has just been sealed (with varnish), so don't walk on it!
7
to close a letter or parcel by sticking the edges together:

Examples:

Seal the package (up) with tape.
He sealed (down) the envelope and put a stamp on it.
8
to make an agreement more certain or to approve it formally:

Examples:

The two leaders sealed their agreement with a handshake.
9
in the US and some other countries, a member of an elite (= especially good and highly trained) force within the navy that deals with special operations that involve water. SEAL is an abbreviation for Sea, Air, and Land Team:

Examples:

The 23-year-old from Massachusetts wants to become a Navy SEAL.
Tributes were paid to the Thai Navy Seal who died during the cave rescue.
10
a large, fish-eating mammal that has very thick fur and lives in the sea:

Examples:

Seals are sometimes hunted for their valuable fur.
11
an official mark on a document which shows that it is legal or actually what it claims to be:

Examples:

Diplomas are stamped with the state seal.
12
A seal of approval means that something has been proven to be good or is very pleasing:

Examples:

My brother’s girlfriend got my mom’s seal of approval.
13
anything that prevents the escape of liquid or gas from a container or pipe:

Examples:

The oil seal broke, and all the oil leaked from the engine.
Don’t use that jar of baby food if the seal is broken.
14
to close a container or opening, or to prevent the escape of a liquid or gas from something:

Examples:

He sealed the envelope and put a stamp on it.
[ M ] Broiling with high heat seals in the flavor of the meat.
[ M ] The police sealed off the area (= prevented people from entering it).
15
If official documents are sealed, they cannot be seen or are not available to the public.
16

Examples:

They sealed the agreement with their signatures.
17
an official mark on a document, sometimes made with wax, that shows that it is legal or has been officially approved:

Examples:

The documents were marked with the official seal.
18
a thin piece of paper or plastic that covers the opening of a container and has to be broken before the contents can be used:

Examples:

The seal on the bottle was broken.
19
something fixed around the edge of an opening to prevent liquid or gas flowing through it:

Examples:

A video showed cracked seals and leaking water inside the coal mine.
20
if something is under seal, it cannot be seen, copied, or taken away:

Examples:

His file is currently under seal.
21
to make an agreement more certain or to approve it formally:

Examples:

seal sth with sth The loans are typically sealed with handshakes.
22
to close an entrance or container so that nothing can enter or leave it:

Examples:

The doors are sealed.
23
to cover a surface with a special liquid in order to protect it:

Examples:

seal sth with sth The office floors were sealed with varnish.
24
to close a letter or parcel by sticking the edges together:

Examples:

seal down sth Seal down the envelope.

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