Any aquatic carnivorous mammal of the families Phocidae and
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.
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.
That which seals or fastens; esp., the wax or wafer placed on
a letter or other closed paper, etc., to fasten it.
That which confirms, ratifies, or makes stable; that which
authenticates; that which secures; assurance.
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.
To set or affix a seal to; hence, to authenticate; to
confirm; to ratify; to establish; as, to seal a deed.
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.
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.
To fix, as a piece of iron in a wall, with cement,
plaster, or the like.
To close by means of a seal; as, to seal a drainpipe with
water. See 2d Seal, 5.
Among the Mormons, to confirm or set apart as a second or