Wiktionary
n. (alternative spelling of sweatpants English)
WordNet
n. loose-fitting trousers with elastic cuffs; worn by athletes
Usage examples of "sweat pants".
I was out the door and into the bright open space of the tent before the nameless man had slipped on his sweat pants.
He was wearing white sweat pants and looked like he'd just come from the gym.
He pulled on a baggy grey pair of sweat pants, he pulled on his high-topped white basket.
Richard Zeeman naked beside the bed, struggling into his sweat pants.
In about twenty minutes he came out with the new jogging shoes looking ridiculously yellow and the new sweat pants slightly too big for his thin legs, and his scrawny upper body pale and shivery-looking in the spring sun.
We bought Paul a pair of Nike LDVs just like mine except size 7, and a pair of sweat pants.