/ Dictionary / Index R Rheingau: Meaning and Definition of Find definitions for: Rhein•gau Pronunciation: (rīn'gou), [key] — n. a small wine-growing region in Hesse, in central Germany, on the Rhine. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Rhein Rheingold, Das* Related Content Daily Word Quiz: nonchalant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language