/ Dictionary / Index E El Aaiún: Meaning and Definition of Find definitions for: El Aa•iún Pronunciation: (el" ä-yn'), [key] a city in and the capital of Western Sahara. 28,010. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. el elaborate Related Content Daily Word Quiz: secular Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language