1. a room in a theater where performers wait before going on stage or rest between scenes
Usage: commonly used in theater and performing arts contexts
2. a room where guests wait before appearing on a television or radio show
Usage: broadcast and media context

Examples

• The actors gathered in the greenroom before the curtain rose.
• She nervously paced the greenroom while waiting to go on stage.
• The theater's greenroom had comfortable seating and refreshments for the cast.
• Talk show guests are usually escorted to the greenroom an hour before taping begins.
• The greenroom at the television studio was equipped with a mirror and makeup station.
• Between acts, the performers retreated to the greenroom to prepare for their next scene.