/ Dictionary / Index O Oratorian: Meaning and Definition of Find definitions for: Or•a•to•ri•an Pronunciation: (ôr"u-tôr'ē-un, -tōr'-, or"-), [key] — Rom. Cath. Ch. Rom. Cath. Ch. —n. a member of an Oratory. —adj. of or pertaining to the Oratorians. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. orator oratorical Related Content Daily Word Quiz: serendipity Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language