/ Dictionary / Index E entoderm: Meaning and Definition of Find definitions for: en•to•derm Pronunciation: (en'tu-dûrm"), [key] — n. Embryol. endoderm. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: entoderm (Thesaurus) entoblast entoil Related Content Daily Word Quiz: paradox Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language