sweat pants(n = noun.artifact) sweatpants - loose-fitting trousers with elastic cuffs; worn by athletes;
is a kind of pant, trouser
is a part of sweat suit, sweats, sweatsuit, workout suit

bellbottom pants, bikini pants, bloody sweat, cold sweat, hot pants, knee pants, long pants, pants, pants presser, pants suit, short pants, stretch pants, sweat, sweat bag, sweat bath, sweat blood, sweat duct, sweat equity, sweat gland, sweat it out, sweat off, sweat room, sweat sock, sweat suit, toreador pants