Source : Webster's Revised Unabridged Dictionary (1913)

Charon \Cha"ron\, n. [L., fr. Gr. ?.] (Cless. Myth.)
   The son of Erebus and Nox, whose office it was to ferry the
   souls of the dead over the Styx, a river of the infernal
   regions. --Shak.

Source : WordNet®

Charon
     n : (Greek mythology) the ferryman who brought the souls of the
         dead across the river Styx or the river Acheron to Hades