/ Dictionary / Index E exhaust fan: Meaning and Definition of Find definitions for: exhaust' fan" Pronunciation: [key] a fan for ventilating an interior by drawing air from the interior and expelling it outside. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. exhaust exhaust-gas recirculation Related Content Daily Word Quiz: crockery Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language