/ Dictionary / Index D Danube: Meaning and Definition of Find definitions for: Dan•ube Pronunciation: (dan'yb), [key] — n. a river in central and SE Europe, flowing E from southern Germany to the Black Sea. 1725 mi. (2775 km) long. German,Hungarian,Czech and Slovak,Rumanian, Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: danube (Thesaurus) Danu Danubian Related Content Daily Word Quiz: designate Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language