rehearsaln. The act of rehearsing; recital; narration; repetition; specifically, a private recital, performance, or season of practice, in preparation for a public exhibition or exercise.(Chaucer.)In rehearsal of our Lord's Prayer. (Hooker.)Here's marvelous convenient place for our rehearsal. (Shak.)Dress rehearsal (Theater), a private preparatory performance of a drama, opera, etc., in costume.()