Source : Webster's Revised Unabridged Dictionary (1913)

Vista \Vis"ta\, n.; pl. {Vistas}. [It., sight, view, fr. vedere,
   p. p. visto, veduto, to see, fr. L. videre, visum. See
   {View}, {Vision}.]
   A view; especially, a view through or between intervening
   objects, as trees; a view or prospect through an avenue, or
   the like; hence, the trees or other objects that form the
   avenue.

         The finished garden to the view Its vistas opens, and
         its alleys green.                        --Thomson.

         In the groves of their academy, at the end of every
         vista, you see nothing but the gallows.  --Burke.

         The shattered tower which now forms a vista from his
         window.                                  --Sir W.
                                                  Scott.

Source : WordNet®

vista
     n : the visual percept of a region; "the most desirable feature
         of the park are the beautiful views" [syn: {view}, {aspect},
          {prospect}, {scene}, {panorama}]