Strong's Exhaustive Concordance dictionaries from openscriptures/strongs. CC BY-SA 4.0 / Public Domain. Derived from James Strong, S.T.D., LL.D., 1890/1894.
σφραγίζωsfragizo
Short Definition
to stamp (with a signet or private mark) for security or preservation (literally or figuratively)
Strong’s Definition
to stamp (with a signet or private mark) for security or preservation (literally or figuratively); by implication, to keep secret, to attest