Wiktionary
theater in the round
n. (alternative form of theater-in-the-round English)
WordNet
theater in the round
n. a theater arranged with seats around at least three sides of the stage [syn: arena theater]
Usage examples of "theater in the round".
But together, they were the audience in this performance of theater in the round.
There were a dozen-odd people seated around the room on a dais about a meter high-a theater in the round, with me in the leading role.