cyclorama
cy.clo.ra.ma \.si--kl*-'ram-*, -'ra:m-\ \-'ram-ik\ n [cycl- + -orama (as in panorama)] 1: a large pictorial representation encircling the spectator and often havi ng real objects as a foreground 2: a curved cloth or wall used as a background of a stage set to suggest un limited space - cy.clo.ram.ic aj