Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio.
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
Used by arrangement with John Wiley & Sons, Inc.
The American Heritage® Dictionary of the English Language, 4th edition Copyright © 2010 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
A loose-fitting jacket and pants worn by athletes and exercisers usually before and after workouts.