/ Dictionary / Index E end brush: Meaning and Definition of Find definitions for: end' brush" Pronunciation: [key] — Cell Biol. Cell Biol. an abundant, tuftlike branching at the axon ending of certain nerve cells. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. endbrain end bulb Related Content Daily Word Quiz: procrastinate Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language