In Roman theatre, a siparium was a tapestry stretched on the scaenae frons, the back wall of the stage. Human figures were presented on the siparium. When a play started, the siparium was lowered so it would be visible to the audience. At the end of a play, it would be raised again.
- Smith, William. "Siparium". penelope.uchicago.edu. John Murray. Retrieved 23 June 2015.