Electric Refers to a pipe batten with electrical circuits for hanging lighting instruments. The "first stage electric" would be the first such batten suspended over the stage from the front of the stage, followed by the second stage electric and so-forth. The first house electric is the first such batten suspended over the audience from the front of the stage. At the Lyric we refer to the first house electric as the "main bar" or main batten. The first stage electric is referred to as the "front bar", with the second and third stage electrics being referred to as the "middle" and "back" bars, or battens.
Elevator See, Bridge
Ellipsoidal Spot Versatile lighting instrument utilizing an ellipsoidal reflector to focus the light beam. Useful for illuminating downstage to midstage areas from an overhead batten or a balcony batten. Ellipsoidal spots come in a variety of focal lengths.
Epilogue See, Prologue. This is a summary speech, delivered at the end of the play, which explains or comments upon the action. Neither epilogues or prologues are used much in today's theatre.
Equity Actors' Associations. Trade unions formed to oversee and regulate the pay and conditions of those working in the theatre. In the U.S., American Actors' Equity, formed in 1913, deals only with the legitimate theatre.
Exit Stage direction. The action of leaving the stage.
Exit Line Final line spoken by an actor before leaving the stage.
Expressionism Movement that began about 1910 and that has application in painting, music and literature as well as drama. The term was first used in 1901 by Auguste Herve to works he'd painted in reaction against impressionism. The heyday of expressionist theatre in America was in the 1920's and 30's and was often a theatre of political and social protest.