/ Dictionary / Index Y yellow birch: Meaning and Definition of Find definitions for: yel'low birch' Pronunciation: [key] a North American birch, Betula alleghaniensis (or B. lutea), having yellowish or silvery gray bark. the hard, light, reddish-brown wood of this tree, used in the construction of furniture, buildings, boxes, etc. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. yellow-billed magpie yellowbird Related Content Daily Word Quiz: impetuous Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language