proscenium arch Definition

proscenium, orchestra pit, staircase, footlights, downstage, foyer, spiral staircase, theater, dormer window, newel post, balustrade, entryway, fanlight, chandelier, clerestory, skylight, curtain, canopy, entranceway, columned, ornate, casement window, mansard roof, facade, pergola, scrim, crenellations, reredos, skylit, pilasters, entablature, spotlit, oculus, balconied, theater stage, cyclorama, playhouse, semicircles, theatricality, transept, battlement, cornicing, parterre, porticos, diningroom, rockwork, circus tent, apse, sinuously, crossbeams, edmund kean, bannisters, arches, grillwork, spaciously, archways, chancel, plasterwork, crenellated, casements, portcullis, scaffolding, tracery, mansard, dramaturgical, vitrine, latticed, gable roof, rood screen, chaise longue, choir loft, cirque, parallelogram, arabesque, feydeau, rhinemaidens, resplendently, cavelike, frieze, brickwork, nave, staginess, rockface, cantilevering, cranko, soundstage, cruciform, chaise, trapeze, hipped roof, crinoline, fleetly, lunette, stageplay, stairways, banister, mullions, stagey, caryatids, elizabethan,