Pronunciation: (tOOn'up", tyOOn'-), [key]
1. an adjustment, as of a motor, to improve working order or condition: The car needs a tune-up badly.
2. Informal.a preparatory activity or warm-up, as before a contest or game: The track meet served as a tune-up for the Olympics.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.