Source : Webster's Revised Unabridged Dictionary (1913)

Vizor \Viz"or\, n.
   See {Visor}.

Source : WordNet®

vizor
     n 1: a piece of armor plate (with eye slits) fixed or hinged to a
          medieval helmet to protect the face [syn: {visor}]
     2: a brim that projects to the front to shade the eyes; "he
        pulled down the bill of his cap and trudged ahead" [syn: {bill},
         {peak}, {eyeshade}, {visor}]