seal Meaning and Definition

1. n. any of numerous marine mammals that come on shore to breed; chiefly of cold regions

2. n. a device incised to make an impression; used to secure a closing or to authenticate documents

3. n. fastener that provides a tight and perfect closure

4. n. a finishing coat applied to exclude moisture

5. n. fastener consisting of a resinous composition that is plastic when warm; used for sealing documents and parcels and letters

6. n. an indication of approved or superior status

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

8. n. a member of a Naval Special Warfare unit who is trained for unconventional warfare

9. n. the pelt or fur (especially the underfur) of a seal

10. v. decide irrevocably

11. v. hunt seals

12. v. cover with varnish

13. v. close with or as if with a seal

14. v. make tight; secure against leakage

15. v. affix a seal to