/ Dictionary / Index A axilemma: Meaning and Definition of Find definitions for: ax•i•lem•ma Pronunciation: (ak"su-lem'u), [key] — pl. -lem•ma•ta the membrane surrounding the axon of a nerve fiber. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. axile axilla Related Content Daily Word Quiz: soporific Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language