Source : Webster's Revised Unabridged Dictionary (1913)

Prophet \Proph"et\, n. [F. proph[`e]te, L. propheta, fr. Gr. ?,
   literally, one who speaks for another, especially, one who
   speaks for a god an interprets his will to man, fr. ? to say
   beforehand; ? for, before + ? to say or speak. See {Fame}. ]
   1. One who prophesies, or foretells events; a predicter; a
      foreteller.

   2. One inspired or instructed by God to speak in his name, or
      announce future events, as, Moses, Elijah, etc.

   3. An interpreter; a spokesman. [R.] --Ex. vii. 1.

   4. (Zo["o]l.) A mantis.

   {School of the prophets} (Anc. Jewish Hist.), a school or
      college in which young men were educated and trained for
      public teachers or members of the prophetic order. These
      students were called sons of the prophets.

Source : WordNet®

prophet
     n 1: an authoritative person who divines the future [syn: {oracle},
           {seer}, {vaticinator}]
     2: someone who speaks by divine inspiration; someone who is an
        interpreter of the will of God