/ Dictionary / Index I intranasal: Meaning and Definition of Find definitions for: in•tra•na•sal Pronunciation: (in"tru-nā'zul), [key] — adj. occurring within or administered through the nose. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. intramuscular in trans. Related Content Daily Word Quiz: sequester Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language