/ Dictionary / Index A Aileen: Meaning and Definition of Find definitions for: Ai•leen Pronunciation: (ā-lēn' Irish ī-lēn'), [key] — n. a female given name, form of Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. ailanthus silkworm aileron Related Content Daily Word Quiz: fervor Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language