- (entertainment) In a television studio, theatre or concert hall, the room where non-starring performers await their entrance.
- (surfing) The inside of a tube (ie. of a wave making a tube).
- 1996: Never quite got covered up, but stood in the doorway to the green room with the lip feathering over my shoulders several times — Surfer Bob http://www.magicsurfbus.com/surfbus02.htm
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