Breadcrumb Home > Dictionary > Index E Ellis: Meaning and Definition of Find definitions for: El•lis Pronunciation: (el'is), [key] — n. (Alexander John Sharpe), 1814–90, English phonetician and mathematician. 1859–1939, English psychologist and writer. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: ellis (Thesaurus) elliptograph Ellis Island ✖ Related Content Daily Word Quiz: tendentious Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language