/ Dictionary / Index V ventilator: Meaning and Definition of Find definitions for: ven•ti•la•tor Pronunciation: (ven'tl-ā"tur), [key] — n. a person or thing that ventilates. a contrivance or opening for replacing foul or stagnant air with fresh air. a respirator. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: ventilator (Thesaurus) ventilative Ventnor City Related Content Daily Word Quiz: censure Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language