probably strengthened from G5420; a signet (as fencing in or protecting from misappropriation); by implication, the stamp impressed (as a mark of privacy, or genuineness), literally or figuratively:--seal.
a seal
the seal placed upon books
a signet ring
the inscription or impression made by a seal
of the name of God and Christ stamped upon their foreheads
that by which anything is confirmed, proved, authenticated, as by a seal (a token or proof)
