/ Dictionary / Index B bristlecone pine: Meaning and Definition of Find definitions for: bris'tlecone pine' Pronunciation: [key] a pine, Pinus aristata, of the southwestern U.S., bearing short needles crowded into long, thick bundles and cones having scales tipped with a slender, curved spine. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. bristlebird bristlemouth 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