<p><strong>Noun</strong></p><ul><li>a pictorial representation, in perspective, of a landscape, battle, etc., on the inner wall of a cylindrical room or hall, viewed by spectators occupying a position in the center.</li><li>a curved wall or drop at the back of a stage, used for creating an illusion of unlimited space or distance in the background of exterior scenes or for obtaining lighting effects.</li></ul>