Definitions

1. noun

a place equipped for sports, exercise, or other physical activity, especially one where people pay to exercise using various machines or to engage in group classes

“She goes to the gym every morning to work out.”

2. verb

to train or practice sports, especially by using various machines or taking group classes

“He’s been gymming for months to get in shape for the competition.”

3. verb (informal)

to engage in casual or amateur sports or physical activity, especially in an informal or unorganised way

“They’ve been gymming on the weekends, playing basketball and soccer.”