/ Dictionary / Index N nerve fiber: Meaning and Definition of Find definitions for: nerve' fi"ber Pronunciation: [key] — Anat., Physiol. Anat.,Physiol. a process, axon, or dendrite of a nerve cell. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. nerve cord nerve gas Related Content Daily Word Quiz: eureka Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language