/ Dictionary / Index O Owosso: Meaning and Definition of Find definitions for: O•wos•so Pronunciation: (ō-wos'ō), [key] — n. a city in central Michigan. 16,455. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. ownership owse Related Content Daily Word Quiz: agitated Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language