Pro*sce"ni*um (?), n.; pl. Proscenia (#). [L., fr. Gr. ; before + a tent, a wooden stage, the stage. See Scene.]
1. Anc. Theater
The part where the actors performed; the stage.
2. Modern Theater
The part of the stage in front of the curtain; sometimes, the curtain and its framework.
<-- proscenium arch, the framework around the front of the stage. -->
© Webster 1913.