1practise (a play, piece of music, or other work) for later public performance:we were rehearsing a radio play [no object]:she was rehearsing for her world tour
supervise (a performer or group) during a rehearsal:he listened to Charlie rehearsing the band
mentally prepare or recite (words one intends to say):he had rehearsed a thousand fine phrases
2state (a list of points that have been made many times before):criticisms of factory farming have been rehearsed often enough