noun🔗ShareIn a television studio, theatre or concert hall, the room where performers await their entrance."The actors waited nervously in the greenroom before their play began. "entertainmentmediabuildingstageChat with AIVocabulary GamePractice Reading
noun🔗ShareThe inside of a tube (i.e. of a wave making a tube)."As the surfer dropped into the wave, he aimed to get deep inside, hoping to spend a few seconds in the greenroom before it closed out. "sportoceannatureChat with AIVocabulary GamePractice Reading