/ Dictionary / Index B bristlemouth: Meaning and Definition of Find definitions for: bris•tle•mouth Pronunciation: (bris'ul-mouth"), [key] — pl. -mouth, -mouths any of several small, deep-sea fishes of the family Gonostomatidae, having numerous sharp, slender teeth covering the jaws. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. bristlecone pine bristletail 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