GYMNASIUM

noun (plural -nasiums or gymnasia) see: naked Date: 1598 1. a large room used for various indoor sports (as basketball or boxing) and usually equipped with gymnastic apparatus, a building (as on a college campus) containing space and equipment for various indoor sports activities and usually including spectator accommodations, locker and shower rooms, offices, classrooms, and a swimming pool, a European secondary school that prepares students for the university