/ Dictionary / Index A ain: Meaning and Definition of Find definitions for: ain Pronunciation: (ān), [key] — adj. Scot. own. Ain Pronunciation: (an), [key] — n. a department in E France. 376,477; 2249 sq. mi. (5825 sq. km). Cap.: Bourg. عain Pronunciation: (īn, ān), [key] — n. the 18th letter of the Arabic alphabet. the voiced pharyngeal constrictive consonant represented by this letter. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: ain (Thesaurus) A.I.M.U. AInd Related Content Daily Word Quiz: penchant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language