Gym (noun)

1. A room or building equipped for gymnastics, weightlifting, or other physical exercise.
2. A place where people go to exercise, typically with equipment and facilities for weightlifting and cardio workout.
3. A room or building equipped for physical training, sports, or other forms of exercise.
4. A facility equipped with workout equipment and facilities.

Origin:

Late 18th century: abbreviation of gymnasium.

Examples:

1. He goes to the gym regularly.
2. The gym is open from 6 AM to 10 PM.
3. She takes yoga classes at the gym.
4. The gym was crowded with people working out.
5. The gym has a variety of weightlifting equipment.