Strong's #8420: tav (pronounced tawv)
from 8427; a mark; by implication, a signature:--desire, mark.
Brown-Driver-Briggs Hebrew Lexicon:
ּ
tâv
1) desire, mark
1a) mark (as a sign of exemption from judgment)
Part of Speech: noun masculine
Relation: from H8427
Usage:
This word is used 3 times:
Job 31:35: "one would hear me! behold, my desire is, that the Almighty would answer me, and that mine adversary"
Ezekiel 9:4: "through the midst of Jerusalem, and set a mark upon the foreheads of the men that sigh"
Ezekiel 9:6: "but come not near any man upon whom is the mark; and begin at my sanctuary."