/ Dictionary / Index O Orono: Meaning and Definition of Find definitions for: O•ro•no Pronunciation: (ôr'u-nō", ōr'-), [key] — n. a town in S Maine. 10,578. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: orono (Thesaurus) oronasal Orontes Related Content Daily Word Quiz: morose Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language