proscenium
Pronunciation:
/pɹəʊˈsiː.ni.əm//pɹoʊˈsiː.ni.əm/noun
Definitions
The stage area between the curtain and the orchestra.
The stage area immediately in front of the scene building.
The row of columns at the front the scene building, at first directly behind the circular orchestra but later upon a stage.
A proscenium arch.