/ Dictionary / Index I intramuscular: Meaning and Definition of Find definitions for: in•tra•mus•cu•lar Pronunciation: (in"tru-mus'kyu-lur), [key] — adj. located or occurring within a muscle. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: intramuscular (Thesaurus) intra muros* intranasal 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