/ Dictionary / Index O Olathe: Meaning and Definition of Find definitions for: O•la•the Pronunciation: (ō-lā'thu), [key] — n. a city in E Kansas. 37,258. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Öland Olav V Related Content Daily Word Quiz: opulent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language