/ Dictionary / Index E endospore: Meaning and Definition of Find definitions for: en•do•spore Pronunciation: (en'du-spôr", -spōr"), [key] — n. the inner coat of a spore. Cf. intine. a spore formed within a cell of a rod-shaped organism. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: endospore (Thesaurus) endosperm endosporium Related Content Daily Word Quiz: perspicacious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language