/ Dictionary / Index E esonarthex: Meaning and Definition of Find definitions for: es•o•nar•thex Pronunciation: (es"ō-när'theks), [key] — n. an inner narthex. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. ESOL ESOP Related Content Daily Word Quiz: secular Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language