/ Dictionary / Index N neurilemma: Meaning and Definition of Find definitions for: neu•ri•lem•ma Pronunciation: (noor"u-lem'u, nyoor"-), [key] — n. Anat. the delicate outermost membrane of the myelin sheath of a myelinated nerve cell. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: neurilemma (Thesaurus) neurectomy neuristor Related Content Daily Word Quiz: vertigo Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language