Didascaly, Greek Antiquity [modern ad. Greek διδασκαλία instruction, teaching; in plural as in quotation. So modern French didascalie.] 1. * In The Catalogues of the ancient Greek Dramas, with their writers, dates, etc., such as were compiled by Aristotle and others. 2. * The instruction of the chorus in ancient Greek theatre. 3. * In ancient Greek theatre, the performance of a tetralogy.