Breadcrumb Home > Dictionary > Index M MR scan: Meaning and Definition of Find definitions for: MR scan Pronunciation: [key] a medical examination performed with an MR scanner. an image obtained by examination with an MR scanner. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Mrs MR scanner ✖ Related Content Daily Word Quiz: rocrustean Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language