/ Dictionary / Index B bristlebird: Meaning and Definition of Find definitions for: bris•tle•bird Pronunciation: (bris'ul bûrd"), [key] — n. any of various Australian warblers of the genus Dasyornis. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. bristle bristlecone pine Related Content Daily Word Quiz: neologism Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language