/ Dictionary / Index M MICR: Meaning and Definition of Find definitions for: MICR Pronunciation: [key] magnetic ink character recognition: a technique for reading and processing data printed with ink that contains magnetic particles: used esp. in sorting bank checks automatically. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Micmac micra Related Content Daily Word Quiz: portent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language