re·hearse / riˈhərs/ • v. [tr.] practice (a play, piece of music, or other work) for later public performance: we were rehearsing a play| [intr.] she was rehearsing for her world tour. ∎ supervise (a performer or group) that is practicing in this way: he listened to Charlie rehearsing the band. ∎ mentally prepare or recite (words one intends to say): he had rehearsed a thousand fine phrases. ∎ state (a list of points, esp. those that have been made many times before); enumerate: criticisms of factory farming have been rehearsed often enough.DERIVATIVES: re·hears·er n.