Proscenium
Part of speech: noun
Definition: 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.
Apron
Part of speech: noun
Definition: An article of clothing worn over the front of the torso and/or legs for protection from spills.A hard surface bordering a structure or area.# The paved area of an airport.# The spreading end of a driveway.# The paved area below the yellow line on a race track.The sides of a tree's canopy.