Definitions

1. noun

a suit made of stretchy fabric, typically consisting of a jacket and trousers, designed for sports or casual wear

“She changed into her tracksuit after her gym workout.”

2. NIL

a team or individual’s outfit, especially in a particular sport

“The football team wore their tracksuits to the game.”

3. verb

to wear a tracksuit

“He likes to track-suit up and go for a jog.”