/ Dictionary / Index I intravenous: Meaning and Definition of Find definitions for: in•tra•ve•nous Pronunciation: (in"tru-vē'nus), [key] — adj. within a vein. of, pertaining to, employed in, or administered by injection into a vein: an intravenous solution. —n. an intravenous injection. intravenous feeding. Abbr.: IV Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: intravenous (Thesaurus) intravascular intravenous drip 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