seal
seal is a valid 4-letter word worth 4 points in Scrabble and 5 points in Words with Friends.
What does seal mean?
A member of a Naval Special Warfare unit who is trained for unconventional warfare.
Any of numerous marine mammals that come on shore to breed; chiefly of cold regions.
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.
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”
An indication of approved or superior status.
A finishing coat applied to exclude moisture.
Close with or as if with a seal.
“She sealed the letter with hot wax”
Decide irrevocably.
“sealing dooms”
Hunt seals.
Make tight; secure against leakage.
“seal the windows”
Cover with varnish.
Affix a seal to.
“seal the letter”