/ Dictionary / Index A aisle: Meaning and Definition of Find definitions for: aisle Pronunciation: (īl), [key] — n. a walkway between or along sections of seats in a theater, classroom, or the like. a longitudinal division of an interior area, as in a church, separated from the main area by an arcade or the like. any of the longitudinal divisions of a church or the like. (of an audience) convulsed with laughter. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: aisle (Thesaurus) AISI steel Aisne Related Content Daily Word Quiz: alacrity Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language