Entry 2 senses · 2 variants Webster, 1913 Oratorian · Or·a·to·ri·an · IPA a. n. 01 a. Oratorical. 1. Oratorical.[Obs.] 02 n. See Fathers of the Oratory, under Oratory. 1. See Fathers of the Oratory, under Oratory.(R. C. Ch.) See: Oratory