/ Dictionary / Index N neurofibroma: Meaning and Definition of Find definitions for: neu•ro•fi•bro•ma Pronunciation: (noor"ō-fī-brō'mu, nyoor"-), [key] — pl. -mas, -ma•ta a benign neoplasm composed of the fibrous elements of a nerve. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: neurofibroma (Thesaurus) neurofibril neurofibromatosis Related Content Daily Word Quiz: arid Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language