/ Dictionary / Index A Atbara: Meaning and Definition of Find definitions for: At•ba•ra Pronunciation: (ät'bu-ru, at'-), [key] — n. a river in NE Africa, flowing NW from NW Ethiopia to the Nile in E Sudan. ab. 500 mi. (800 km) long. a city in NE Sudan. 62,407. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. ATB ATC Related Content Daily Word Quiz: deleterious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language