In the 10th edition of the Merriam-Webster's Dictionary,
'Panorama' is defined:

" 1 a: CYCLORAMA
     b: a picture exhibited a part at a time by being unrolled before the
         spectator
  2 a: an unobstructed or complete view of an area in every direction.

'Cyclorama' is defined:

" 1 a: large pictorial representation encircling the spectator and often
         having real objects as foreground."