/ Dictionary / Index E entozoon: Meaning and Definition of Find definitions for: en•to•zo•on Pronunciation: (en"tu-zō'on), [key] — pl. -zo•a any animal parasite, as an intestinal worm, that lives within the body of its host (opposed to ectozoon). Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: entozoon (Thesaurus) entozoic entr'acte Related Content Daily Word Quiz: cetacean Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language