noun
1. : a small theater for legitimate productions that is designed for a relatively small group or community ; especially : such a theater in which usually noncommercial low-cost productions are presented that are often experimental or otherwise designed for a relatively limited audience and that have usually small often amateur casts
2. : drama of a kind that is best suited to production in a little theater ; especially : drama that is usually noncommercial and low in production costs and that is often experimental or otherwise designed for a relatively limited audience