simple past tense and past participle of seal

Closed by a seal. / Preventing entrance. / Of a road that has an asphalt or macadamised surface. / (object-oriented programming) Not subclassable; from which one cannot inherit.

A stamp used to impress a design on a soft substance such as wax. / An impression of such stamp on wax, paper or other material used for sealing.

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

(intransitive) To hunt seals.

A pinniped (Pinnipedia), particularly an earless seal (true seal) or eared seal. / (heraldry) A bearing representing a creature something like a walrus.

(transitive) To place a seal on (a document). / To mark with a stamp, as an evidence of standard exactness, legal size, or merchantable quality.

(military) Short for Navy SEAL (“member of the Sea, Air, Land unit”).

plural of SEAL

Used for closing securely.