Seal

/siːl/

Meaning & Definition

noun

A marine mammal with flippers, known for its playful nature and ability to swim.

The seal basked on the rocky shore, soaking up the sun.

A device or substance that is used to join two surfaces together to prevent leakage.

We applied a seal to the joint to keep the water from leaking.

An official mark or emblem used to authenticate documents.

The document bore the royal seal, confirming its legitimacy.

verb

To close securely or make airtight.

Make sure to seal the envelope before mailing it.

To fasten or secure something to prevent access or movement.

They decided to seal the entrance to the old building to deter trespassers.

To confirm or finalize something in a formal way.

The agreement was sealed with a handshake.

Middle English 'sele', from Old English 'seolh', related to Dutch 'zeehond' and German 'Seehund'.

seal the deal

To finalize an agreement.

kiss of death seal

A gesture that brings bad luck or harm.

put a seal on it

To finalize something or make it official.

sealant

A substance used to block the passage of fluids through surfaces.

sealed

Closed securely so that nothing can enter or exit.

sealing

The process of closing something securely.

To approve or validate something.

He sealed that plan for the project.

To keep a secret hidden.

I sealed my lips about the surprise party.