Satan
Pronunciation : Sa"tan
Part of Speech : n.
Etymology : [Heb. satan an adversary, fr. satan to be adverse, to persecute: cf. GR. Satan, Satanas.]
Definition : Defn: The grand adversary of man; The Devil, or Prince of darkness; the chief of the fallen angels; the archfiend. I beheld Satan as lightning fall from heaven. Luke x. 18.
Source : Webster's Unabridged Dictionary, 1913