/ Dictionary / Index D Douro: Meaning and Definition of Find definitions for: Dou•ro Pronunciation: (Port. dō'roo), [key] — n. a river in SW Europe, flowing W from N Spain through N Portugal to the Atlantic. ab. 475 mi. (765 km) long. Spanish, Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. dourine douroucouli Related Content Daily Word Quiz: gregarious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language