gym [gyms](sporting facility specialized for lifting weights and exercise) noun [UK: dʒɪm] [US: ˈdʒɪm]Yanni went back to the gym. = Yanni volvió al gimnasio.
gymnasium [gymnasia](place for indoor sports) noun [UK: dʒɪm.ˈneɪ.zɪəm] [US: ˌdʒɪm.ˈneɪ.ziəm]The school gymnasium was enlarged. = Se amplió el gimnasio de la escuela.