A tempo
DEFINITION
An directive to return to the original tempo after a deliberate deviation. in time; i.e., the performer should return to the main tempo of the piece (after an accelerando or ritardando, etc.); also may be found in combination with other terms such as a tempo giusto (in strict time) or a tempo di menuetto (at the speed of a minuet)(1) return to the original rate of speed or tempo before the accelerando (2) in the original tempo