Meaning & Definition of Seal in English

1. Fastener consisting of a resinous composition that is plastic when warm

• Used for sealing documents and parcels and letters

2. A device incised to make an impression

• Used to secure a closing or to authenticate documents

3. The pelt or fur (especially the underfur) of a seal

• "A coat of seal"

4. A member of a naval special warfare unit who is trained for unconventional warfare

• "Seal is an acronym for sea air and land"

5. A stamp affixed to a document (as to attest to its authenticity or to seal it)

• "The warrant bore the sheriff's seal"

6. An indication of approved or superior status

7. A finishing coat applied to exclude moisture

8. Fastener that provides a tight and perfect closure

9. Any of numerous marine mammals that come on shore to breed

• Chiefly of cold regions

1. Make tight

• Secure against leakage

• "Seal the windows"

2. Close with or as if with a seal

• "She sealed the letter with hot wax"

3. Decide irrevocably

• "Sealing dooms"

4. Affix a seal to

• "Seal the letter"

5. Cover with varnish

6. Hunt seals