Other forms: gyms
A gym is the place full of weights and machines where people get strong. Join a gym, go to the gym, gym membership.
The business model depends on members who pay and do not attend, which is why joining in January is cheap and cancelling is hard. Resistance training preserves muscle and bone with age better than anything else. The word is short for gymnasium, from the Greek — where exercise was done naked.
1noungymA place with weights and machines for exercise.
“She goes to the gym before work to run on the treadmill.”
gym is a place.