"Seal" is a word in LAW AND LEGAL, ENGLISH

An impression upon wax, wafer, or some otber tenacious substance capable of being impressed. Allen v. Sullivan R. Co., 32 N. H. 449; Solon v. williamsburgh Sav. Bank, 114 N. Y. 132, 21 N. E. 168; Alt v. Stoker, 127 Mo. 471, 30 S. W. 132; Brad-ford v. Randall, 5 Pick. (Mass.) 497; Osborn v. Kistler, 35 Ohio St. 102; Hopewell Tp. v. Amwell Tp., 6 N. J. Law, 175; Jones v. Logwood, 1 wash. (Va.) 43

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

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.

Any aquatic carnivorous mammal of the families Phocidae and
Otariidae.

To affix one's seal, or a seal.

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

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

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

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.

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

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

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

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.

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

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.