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1

seal

play
noun \ˈsēl\

Definition of seal

plural

seals

also

seal

  1. 1 :  any of numerous carnivorous marine mammals (families Phocidae and Otariidae) that live chiefly in cold regions and have limbs modified into webbed flippers adapted primarily to swimming; especially :  a fur seal or hair seal as opposed to a sea lion

  2. 2a :  the pelt of a fur sealb :  leather made from the skin of a seal

  3. 3 :  a dark brown



Origin and Etymology of seal

Middle English sele, from Old English seolh; akin to Old High German selah seal


First Known Use: before 12th century

Other Mammals Terms


2

seal

intransitive verb

Definition of seal

  1. :  to hunt seals



1828

First Known Use of seal

1828

Other Hunting and Fishing Terms


3

seal

noun

Definition of seal

  1. 1a :  something that confirms, ratifies, or makes secure :  guarantee, assuranceb (1) :  a device with a cut or raised emblem, symbol, or word used especially to certify a signature or authenticate a document (2) :  a medallion or ring face bearing such a device incised so that it can be impressed on wax or moist clay; also :  a piece of wax or a wafer bearing such an impressionc :  an impression, device, or mark given the effect of a common-law seal by statute law or by American local custom recognized by judicial decisiond :  a usually ornamental adhesive stamp that may be used to close a letter or package; especially :  one given in a fund-raising campaign

  2. 2a :  something that secures (as a wax seal on a document)b :  a closure that must be broken to be opened and that thus reveals tamperingc (1) :  a tight and perfect closure (as against the passage of gas or water) (2) :  a device to prevent the passage or return of gas or air into a pipe or container

  3. 3 :  a seal that is a symbol or mark of office

under seal

  1. :  with an authenticating seal affixed



Origin and Etymology of seal

Middle English sele, seel, from Anglo-French seal, sel, from Latin sigillum seal, from diminutive of signum sign, seal — more at sign


First Known Use: 13th century


4

seal

transitive verb

Definition of seal

  1. 1a :  to confirm or make secure by or as if by a seal <seal the deal>b :  to solemnize for eternity (as a marriage) by a Mormon rite

  2. 2a :  to set or affix an authenticating seal to; also :  authenticate, ratifyb :  to mark with a stamp or seal usually as an evidence of standard exactness, legal size, weight, or capacity, or merchantable quality

  3. 3a :  to fasten with or as if with a seal to prevent tamperingb :  to close or make secure against access, leakage, or passage by a fastening or coatingc :  to fix in position or close breaks in with a filling (as of plaster)

  4. 4 :  to determine irrevocably or indisputably <that answer sealed our fate>



14th Century

First Known Use of seal

14th century


SEAL

abbreviation

Definition of SEAL

  1. sea, air, land (team)





SEAL Defined for Kids

1

seal

play
noun \ˈsēl\

Definition of seal for Students

  1. 1 :  a sea mammal that swims with flippers, lives mostly in cold regions, bears young on land, feeds on fish and other sea animals (as squid), and is sometimes hunted for its fur, hide, or oil

  2. 2 :  the soft fur of a seal




2

seal

play
noun

Definition of seal for Students

  1. 1 :  something that closes tightly <The seal on the package is broken.>

  2. 2 :  the condition of having a tight seal <Caulk gives the window a seal.>

  3. 3 :  an official mark stamped or pressed on something <She … stamped her own official seal beside his signature. — Lois Lowry, The Giver>

  4. 4 :  a device with a cut or raised design or figure that can be stamped or pressed into wax or paper

  5. 5 :  a stamp that may be used to close a letter or package <Christmas seals>

  6. 6 :  something (as a pledge) that makes safe or secure <The deal was made under seal of secrecy.>




3

seal

play
verb

Definition of seal for Students

sealed

sealing

  1. 1 :  to close tightly or completely to prevent anyone or anything from moving in or out

  2. 2 :  to put an official mark on

sealer

noun



Medical Dictionary

seal

play
transitive verb \ˈsēl\

Medical Definition of seal

  1. :  to apply dental sealant to <the teeth to be sealed are surrounded by cotton rolls and dried thoroughly—J. W. Friedman>




Law Dictionary

1

seal

noun

Legal Definition of seal

  1. :  a device (as an emblem, symbol, or word) used to identify or replace a signature and to authenticate (as at common law) written matter — see also contract under seal at contract

under seal

  1. :  with an authenticating seal affixed



Origin and Etymology of seal

Old French seel, from Latin sigillum, from diminutive of signum mark, sign


2

seal

transitive verb

Legal Definition of seal

  1. 1 :  to authenticate or approve by or as if by a seal

  2. 2 :  to close off (as records) from public access




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