Meaning of SEAL in English

I. ˈsēl noun

( plural seals also seal )

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

Date: before 12th century

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


a. : the pelt of a fur seal

b. : leather made from the skin of a seal

3. : a dark brown

II. intransitive verb

Date: 1828

: to hunt seals

III. noun

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

Date: 13th century


a. : something that confirms, ratifies, or makes secure : guarantee , assurance


(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 impression

c. : an impression, device, or mark given the effect of a common-law seal by statute law or by American local custom recognized by judicial decision

d. : a usually ornamental adhesive stamp that may be used to close a letter or package ; especially : one given in a fund-raising campaign


a. : something that secures (as a wax seal on a document)

b. : a closure that must be broken to be opened and that thus reveals tampering


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

- under seal

IV. transitive verb

Date: 14th century


a. : 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


a. : to set or affix an authenticating seal to ; also : authenticate , ratify

b. : to mark with a stamp or seal usually as an evidence of standard exactness, legal size, weight, or capacity, or merchantable quality


a. : to fasten with or as if with a seal to prevent tampering

b. : to close or make secure against access, leakage, or passage by a fastening or coating

c. : to fix in position or close breaks in with a filling (as of plaster)

4. : to determine irrevocably or indisputably

that answer seal ed our fate

Merriam-Webster's Collegiate English vocabulary.      Энциклопедический словарь английского языка Merriam Webster.