seal

Definitions

1. 1noun

   Any aquatic carnivorous mammal of the families Phocidae and Otariidae.

2. 2noun

   An engraved or inscribed stamp, used for marking an impression in wax or other soft substance, to be attached to a document, or otherwise used by way of authentication or security.

3. 3noun

   Wax, wafer, or other tenacious substance, set to an instrument, and impressed or stamped with a seal; as, to give a deed under hand and seal.

4. 4noun

   That which seals or fastens; esp., the wax or wafer placed on a letter or other closed paper, etc., to fasten it.

5. 5noun

   That which confirms, ratifies, or makes stable; that which authenticates; that which secures; assurance.

6. 6noun

   An arrangement for preventing the entrance or return of gas or air into a pipe, by which the open end of the pipe dips beneath the surface of water or other liquid, or a deep bend or sag in the pipe is filled with the liquid; a draintrap.

7. 7transitive verb

   To set or affix a seal to; hence, to authenticate; to confirm; to ratify; to establish; as, to seal a deed.

8. 8transitive verb

   To mark with a stamp, as an evidence of standard exactness, legal size, or merchantable quality; as, to seal weights and measures; to seal silverware.

9. 9transitive verb

   To fasten with a seal; to attach together with a wafer, wax, or other substance causing adhesion; as, to seal a letter.

10. 10transitive verb

    Hence, to shut close; to keep close; to make fast; to keep secure or secret.

11. 11transitive verb

    To fix, as a piece of iron in a wall, with cement, plaster, or the like.

12. 12transitive verb

    To close by means of a seal; as, to seal a drainpipe with water. See 2d Seal, 5.

13. 13transitive verb

    Among the Mormons, to confirm or set apart as a second or additional wife.

14. 14intransitive verb

    To affix one's seal, or a seal.

15. 15noun

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

16. 16noun

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

    Synonyms

    stamp
17. 17noun

    fastener that provides a tight and perfect closure

18. 18noun

    a finishing coat applied to exclude moisture

19. 19noun

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

20. 20noun

    an indication of approved or superior status

    Synonyms

    cachet
21. 21noun

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

    "the warrant bore the sheriff's seal"

22. 22noun

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

    "SEAL is an acronym for Sea Air and Land"

23. 23noun

    the pelt or fur (especially the underfur) of a seal

    "a coat of seal"

    Synonyms

    sealskin
24. 24verb

    decide irrevocably

    "sealing dooms"

25. 25verb

    hunt seals

26. 26verb

    cover with varnish

    Synonyms

    varnish
27. 27verb

    close with or as if with a seal

    "She sealed the letter with hot wax"

28. 28verb

    make tight; secure against leakage

    "seal the windows"

29. 29verb

    affix a seal to

    "seal the letter"