/ Thesaurus / P Synonyms of proscenium wall Find synonyms for: Noun1. proscenium, proscenium wall, wallusage: the wall that separates the stage from the auditorium in a modern theaterWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: candor Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language