/ Dictionary / Index I infarction: Meaning and Definition of Find definitions for: in•farc•tion Pronunciation: (in-färk'shun), [key] — n. Pathol. the formation of an infarct. an infarct. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: infarction (Thesaurus) infarct infare 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