/ Dictionary / Index P Plainfield: Meaning and Definition of Find definitions for: Plain•field Pronunciation: (plān'fēld"), [key] — n. a city in N New Jersey. 45,555. a town in NE Connecticut. 12,774. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. plain dealing plain Jane Related Content Daily Word Quiz: eureka Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language