a large room used for various indoor sports (such as basketball or boxing) and usually equipped with gymnastic apparatus
gymnasia
noun(gym-na-si-um)
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
gymnasia
noun(gym-na-si-um)
a European secondary school that prepares students for the university