/ Dictionary / Index E epispore: Meaning and Definition of Find definitions for: ep•i•spore Pronunciation: (ep'i-spôr", -spōr"), [key] — n. Bot., Mycol. the principal outer covering of a spore. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. epispastic Epist. Related Content Daily Word Quiz: gregarious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language