re·hears·al 
/rɪˈhɚsəl/ noun
plural re·hears·als /rɪˈhɚsəl/ noun : an event at which a person or group practices an activity (such as singing, dancing, or acting) in order to prepare for a public performance [noncount] ▪ She was 15 minutes late to rehearsal. ▪ The production of King Lear has been in rehearsal for nearly a month. [=the actors have been practicing their parts in the play together for nearly a month] [count] ▪ There are only three more rehearsals before the concert. — often used figuratively ▪ This tournament is a rehearsal for the Olympics. — see also dress rehearsal, wedding rehearsal
