/ Dictionary / Index P person-day: Meaning and Definition of Find definitions for: per•son-day Pronunciation: (pûr'sun-dā"), [key] — n. a unit of measurement, esp. in accountancy, based on an ideal amount of work done by one person in one working day. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. personate personhood Related Content Daily Word Quiz: careening Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language