/ Dictionary / Index I IV: Meaning and Definition of Find definitions for: IV Pronunciation: (ī'vē'), [key] — pl. IVs, IV's. an intravenous device for delivering electrolyte solutions, medicines, and nutrients. IV Pronunciation: [key] intravenous. intravenous drip. intravenous injection. intravenously. I.V. Pronunciation: [key] initial velocity. i.v. Pronunciation: [key] increased value. initial velocity. invoice value. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: iv (Thesaurus) IUS, iva Related Content Daily Word Quiz: acquiesce Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language