1. (noun)proscenium, apron, forestage the part of a modern theater stage between the curtain and the orchestra (i.e., in front of the curtain) Synonyms: forestage, prosceniumwall, apron, proscenium
2. (noun)proscenium, proscenium wall the wall that separates the stage from the auditorium in a modern theater Synonyms: forestage, prosceniumwall, apron, proscenium