/ Dictionary / Index O Oberhausen: Meaning and Definition of Find definitions for: O•ber•hau•sen Pronunciation: (ō'bur-hou"zun), [key] — n. a city in W Germany, in the lower Ruhr valley. 235,900. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Oberammergau Oberland Related Content Daily Word Quiz: ontiguous Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language