Pronunciation: (wûrk'out"), [key]
1. a trial or practice session in athletics, as in running, boxing, or football.
2. a structured regime of physical exercise: She goes to the gym for a workout twice a week.
3. any trial or practice session.
4. an act or instance of working something out.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.