tracksuit definition by Webster's New World
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
a loosefitting outfit worn as during exercise, consisting of a pair of trousers and a jacket or pullover top, usually of a light, waterproof fabric
tracksuit definition by American Heritage Dictionary
A loose-fitting jacket and pants worn by athletes and exercisers usually before and after workouts.