/ Dictionary / Index O Otaru: Meaning and Definition of Find definitions for: O•ta•ru Pronunciation: (ô'tä-r"), [key] — n. a city in W Hokkaido, in N Japan. 180,728. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. otalgia OTB Related Content Daily Word Quiz: inutiae Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language