/ Dictionary / Index M man-year: Meaning and Definition of Find definitions for: man-year Pronunciation: (man'yēr"), [key] — n. a unit of measurement, esp. in accountancy, based on a standard number of man-days in a year of work. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. many manyfold Related Content Daily Word Quiz: panacea Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language