/ Dictionary / Index S South Plainfield: Meaning and Definition of Find definitions for: South' Plain'field Pronunciation: [key] a city in N New Jersey. 20,521. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. southpaw South Platte Related Content Daily Word Quiz: cygnet Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language