How do you define a gymnasium?

Answer:
A 'gymnasium' can be:
1) a recreation center equipped with various facilities for exercise and sports
2) an auditorium for physical education and sports at a school or college
3) a place in ancient Greece where athletes trained naked
4) a secondary school in Germany where students prepare for university
First answer by Job3622. Last edit by Job3622. Contributor trust: 15 [recommend contributor recommended]. Question popularity: 3 [recommend question].