/ Dictionary / Index W winterbourne: Meaning and Definition of Find definitions for: win•ter•bourne Pronunciation: (win'tur-bôrn", -bōrn", -boorn"), [key] — n. a channel filled only at a time of excessive rainfall. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. winterberry winter cherry Related Content Daily Word Quiz: nonchalant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language