/ Dictionary / Index E exciple: Meaning and Definition of Find definitions for: ex•ci•ple Pronunciation: (ek'su-pul), [key] — n. Mycol. (in certain lichens) the rim or outer covering of the apothecium. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. excipient excipulum Related Content Daily Word Quiz: pedagogy Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language