Satraps sa'-traps, sat'-raps ('achashdarpenim, Ezra 8:36, Esther 3:12, Esther 8:9, Esther 9:3, the King James Version "lieutenants"; Daniel 3:2, Daniel 3:3, Daniel 3:27, Daniel 6:1 ff, the King James Version "princes"): The viceroys or vassal rulers to whom was entrusted the government of the provinces in the Persian empire. The word answers to the Old Persian khshathrapavan, "protectors of the realm."