theater [1]
Establishment built to present plays, shows, dance performances, concerts and so forth.
trap 
Lift-up door through which an artist enters or exits the stage from below.
batten 
Mobile light fixture attached to the flies.
catwalk 
Platform for walking from one side of the stage-house to the other; it is used to install and move equipment.
borders 
Horizontal strips of fabric lowered to hide the parts of the flies that are visible from the house.
flies 
The upper part of the stage-house, equipped to hang and handle sets and lighting fixtures.
stage-house 
Architectural space that contains the sets and in which the artists perform.
orchestra pit 
Area where musicians are seated to accompany the actors onstage.
iron curtain 
Metal curtain that can be lowered to separate the stage from the house in case of fire.
backdrop 
Retractable vertical cloth forming the background of the stage.
upstage 
Area at the back of the stage whose set is often made to suggest distant places.
below-stage 
Area located beneath the stage.
stage 
The area seen from the house where the artists perform.
stage curtain 
Piece of fabric separating the stage from the house.
proscenium 
Area located in front of the stage curtain.
wings 
Area hidden from the audience; it is located on each side and behind the stage and sets.
bar 
Area where alcoholic drinks are sold.
dressing room 
Room that the artists use to change costumes, apply makeup and style their hair.
spotlights 
Lighting device that projects a concentrated beam of high-intensity light.
foyers 
Space used by the audience before the performance and at the intermission.
house 
Part of the theater built for seating the public during a performance.
acoustic ceiling 
Ceiling made of materials that help to project the sound into the house.
stairs 
Structural component enabling movement between floors of a house or other structure.
control room 
Room equipped to control sound, lighting and projection.