Meaning of 'seal'

noun

any of numerous marine mammals that come on shore to breed

noun

a device incised to make an impression

Synonyms: stamp

noun

fastener that provides a tight and perfect closure

noun

a finishing coat applied to exclude moisture

noun

fastener consisting of a resinous composition that is plastic when warm

Example: "used for sealing documents and parcels and letters"

noun

an indication of approved or superior status

Synonyms: cachet seal of approval

noun

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

Example: "the warrant bore the sheriff's seal"

noun

the pelt or fur (especially the underfur) of a seal

Example: "a coat of seal"

Synonyms: sealskin

verb

decide irrevocably

Example: "sealing dooms"

verb

hunt seals

verb

cover with varnish

Synonyms: varnish

verb

close with or as if with a seal

Example: "We sealed the invitations with hot wax."

verb

make tight

Synonyms: seal off

verb

affix a seal to

Example: "seal the letter"