• Originally, the proskenion or stage area of the ancientGreek theater. The term was retained for the rectangle stage of theEnglish Restoration playhouse. The proscenium in Wren's second TheatreRoyal, Drury Lane (1674), was about 20 feet deep, occupying more thana third of the auditorium; actors entered by proscenium doorsin each side wall. Today the word is used to mean either the stageor (more commonly) the proscenium arch.