/ Dictionary / Index W white birch: Meaning and Definition of Find definitions for: white' birch' Pronunciation: [key] the European birch, Betula pendula, yielding a hard wood. See Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. white belt white blood cell Related Content Daily Word Quiz: eccentric Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language