seal

noun

1.
fastener consisting of a resinous composition that is plastic when warm; used for sealing documents and parcels and letters
Derived from:
seal
2.
a device incised to make an impression; used to secure a closing or to authenticate documents
Derived from:
seal
3.
the pelt or fur (especially the underfur) of a seal
Derived from:
seal
4.
a stamp affixed to a document (as to attest to its authenticity or to seal it)
Derived from:
seal
5.
an indication of approved or superior status
Derived from:
seal
6.
a finishing coat applied to exclude moisture
Derived from:
seal
7.
fastener that provides a tight and perfect closure
Derived from:
seal
8.
any of numerous marine mammals that come on shore to breed; chiefly of cold regions
Derived from:
seal