/ Dictionary / Index W white rainbow: Meaning and Definition of Find definitions for: white' rain'bow Pronunciation: [key] fogbow. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. whiteprint white rat Related Content Daily Word Quiz: tactful Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language