/ Dictionary / Index W White Plains: Meaning and Definition of Find definitions for: White' Plains' Pronunciation: [key] a city in SE New York, near New York City: battle 1776. 46,999. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. white plague white poplar Related Content Daily Word Quiz: feline Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language