proscenium
pro.sce.ni.um \pro--'se--ne--*m\ n [L, fr. Gk proske-nion front of the building forming the background fo]r a dramatic performance, stage, fr. pro- + ske-ne- building forming the background for a dramatic performance - more at SCENE 1a: the stage of an ancient theater 1b: the part of a modern stage in front of the curtain 1c: the wall that separates the stage from the auditorium and provides the arch that frames it 2: FOREGROUND