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.

HOW TO SEARCH: Click on a letter (A-Z) below to find terms beginning with the specified letter. If the A-Z or word search has been activated, it must be reset before using Search for Term or Words in Definition. To reset the A-Z search: Click Here

NOTE: After using the ABC search function below, click here to reset.

A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W
Term Definition Cross Reference Link
BLACKOUT or BLACK-OUT or BLACK OUT 1) To darken a stage suddenly, enhancing the effect of stage action and permitting a swift change of scenery. 2) Complete absence of stage lighting. Blue working lights backstage should remain on and are not usually under the control of the board, except during a Dead Blackout (DBO), when there is no onstage light. Exit signs and other emergency lighting must remain on at all times.
Authorize.Net Merchant - Click to Verify Credit Card Merchant Services