Source : Webster's Revised Unabridged Dictionary (1913)

Mahound \Ma`hound\, n.
   A contemptuous name for Mohammed; hence, an evil spirit; a
   devil. [Obs.]

         Who's this, my mahound cousin ?          --Beau. & Fl.

Source : WordNet®

Mahound
     n : the Arab prophet who founded Islam (570-632) [syn: {Mohammed},
          {Mohammad}, {Muhammad}, {Mahomet}]