SEAL

Definition of SEAL

(noun)fastener consisting of a resinous composition that is plastic when warm; used for sealing documents and parcels and letters
(noun)a device incised to make an impression; used to secure a closing or to authenticate documents
(noun)the pelt or fur (especially the underfur) of a seal
(noun)a stamp affixed to a document (as to attest to its authenticity or to seal it)
(noun)an indication of approved or superior status
(noun)a finishing coat applied to exclude moisture
(noun)fastener that provides a tight and perfect closure
(noun)any of numerous marine mammals that come on shore to breed; chiefly of cold regions
(verb)make tight; secure against leakage
(verb)close with or as if with a seal
(verb)decide irrevocably
(verb)affix a seal to
(verb)cover with varnish
(verb)hunt seals