Theatre Terms

image of question markHere you'll find over 1000 definitions of theatrical terms, from Aside, Beam Angle, and Camlock, to Upstaging, VU Meter, and Wagon.  Fully searchable, our glossary is helpful for technical staff, directors, actors, producers, or anyone wanting to better understand the inner workings of theatre.

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Term Definition Cross Reference Link
SHUTTER Accessory for a lighting instrument. Usually a metal blade that can be used to shape the edge of the beam. Shutters (normally four) are located in the gate at the center of the lantern. Similar in effect to barn doors. Barn doors
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