1. A building or facility equipped with apparatus and weights for physical exercise and training
I go to the gym three times a week.
Vou ao ginásio três vezes por semana.
2. A secondary school or gymnasium (educational institution, particularly in Portugal and historically in Brazil)
She studied at the gymnasium in her hometown.
Ela estudou no ginásio de sua cidade natal.
3. An indoor arena or sports facility for athletic activities
The basketball game was held at the city gymnasium.
O jogo de basquete foi realizado no ginásio da cidade.