Meaning of seal

Definition of seal

(noun) fastener consisting of a resinous composition that is plastic when warm; used for sealing documents and parcels and letters
a device incised to make an impression; used to secure a closing or to authenticate documents
the pelt or fur (especially the underfur) of a seal; "a coat of seal"
a member of a Naval Special Warfare unit who is trained for unconventional warfare; "SEAL is an acronym for Sea Air and Land"
a stamp affixed to a document (as to attest to its authenticity or to seal it); "the warrant bore the sheriff's seal"
fastener that provides a tight and perfect closure
any of numerous marine mammals that come on shore to breed; chiefly of cold regions
(verb) make tight; secure against leakage; "seal the windows"
close with or as if with a seal; "She sealed the letter with hot wax"
decide irrevocably; "sealing dooms"
affix a seal to; "seal the letter"
cover with varnish
hunt seals

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