Seal
WordNet

noun


(1)   Any of numerous marine mammals that come on shore to breed; chiefly of cold regions
(2)   A device incised to make an impression; used to secure a closing or to authenticate documents
(3)   Fastener that provides a tight and perfect closure
(4)   A finishing coat applied to exclude moisture
(5)   Fastener consisting of a resinous composition that is plastic when warm; used for sealing documents and parcels and letters
(6)   An indication of approved or superior status
(7)   A stamp affixed to a document (as to attest to its authenticity or to seal it)
"The warrant bore the sheriff's seal"
(8)   A member of a Naval Special Warfare unit who is trained for unconventional warfare
"SEAL is an acronym for Sea Air and Land"
(9)   The pelt or fur (especially the underfur) of a seal
"A coat of seal"

verb


(10)   Decide irrevocably
"Sealing dooms"
(11)   Hunt seals
(12)   Cover with varnish
(13)   Close with or as if with a seal
"She sealed the letter with hot wax"
(14)   Make tight; secure against leakage
"Seal the windows"
(15)   Affix a seal to
"Seal the letter"
WiktionaryText

Etymology 1



From an inflectional form of seolh, cognate with Old Norse ( > Danish )

Noun


  1. A pinniped, a large marine fish-eating mammal.
    The seals in the harbor looked better than they smelled.

See also


Etymology 2


Anglo-Norman, from seel (modern French sceau), from sigillum, a diminutive of signum, sign

Noun


  1. A design associated with a government or governmental office.
    The front of the podium bore the presidential seal.
  2. Something which will be visibly damaged if a covering or container is opened, and which may or may not bear an official design. (See the Wikipedia article)
    The result was declared invalid, as the seal on the meter had been broken.
  3. Something designed to prevent liquids or gases from leaking through a joint.
    The canister is leaking. I think the main seal needs to be replaced.
  4. Security against leakage.
    Close the lid tightly to get a good seal.

Verb



  1. To place a seal on (a document).
  2. To fasten (something) so that it cannot be opened without visible damage.
    The cover is sealed. If anyone tries to open it, we'll know about it.
  3. To prevent people or vehicles from crossing (something).
    The border has been sealed until the fugitives are found.
  4. To close securely to prevent leakage.
    I've sealed the bottle to keep the contents fresh.
  5. To place in a sealed container.
    I've sealed the documents in this envelope.
  6. To place a notation of one's next move in a sealed envelope to be opened after an adjournment.
    After thinking for half an hour, the champion sealed his move.
  7. To guarantee
    The last-minute goal sealed United's win.

Synonyms
  • (fasten (something) so that it cannot be opened without visible damage):
  • (prevent people or vehicles from crossing (something)): block, block off, close, close off, obstruct, seal off enclose

Verb



  1. To tie up animals (especially cattle) in their stalls.
 
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