START UP

{v.} 1. To begin operating, * /The driver started up the motor of the car./ * /The engine started up with a roar./ 2. To begin to play (music). * /The conductor waved his baton, and the band started up./ * /The orchestra started up a waltz./ Compare: STRIKE UP. 3. To rise or stand suddenly. * /When he heard the bell, he started up from his chair./