- an adjustment, as of a motor, to improve working order or condition: The car needs a tune-up badly.
- a preparatory activity or warm-up, as before a contest or game: The track meet served as a tune-up for the Olympics.
- to adjust (a musical instrument) to a particular pitch, esp a standard one
- (esp of an orchestra or other instrumental ensemble) to tune (instruments) to a common pitch
- to adjust (an engine) in (a car, etc) to improve performance
- adjustments made to an engine to improve its performance
