Satan
Satan (sā"tan, sat"an obs ) , noun
[Hebrew sātān an adversary, from sātan to be adverse, to persecute: compare Greek Sata^n, Satana^s, Latin Satan, Satanas.]
The grand adversary of man; the Devil, or Prince of darkness; the chief of the fallen angels; the archfiend. [obsolete]
I beheld Satan as lightning fall from heaven.