noun
gymnasium
jim-NAY-zee-uhm/dʒɪmˈneɪziəm/
A room or building equipped for sports and exercise.
The gymnasium has a marked basketball court beneath a high roof.

Etymology
Greek gymnasion denoted an exercise ground and derives from a verb literally meaning “train naked.” The modern indoor sports building preserves the athletic purpose of that ancient training place.
In context
if you go to gymnasium you need to go for more than three months in order to cut muscles and become fit
More examples
- Students play volleyball in the school gymnasium.
- The community gymnasium opens early for morning workouts.
- Both gymnasiums have mats for stretching and floor exercises.
Forms
gymnasium · gymnasiums · gymnasia
Similar words
- gym
- An informal shortened name for the same exercise facility.
- fieldhouse
- Usually a larger indoor facility accommodating several sports.