/ Dictionary / Index E epizoic: Meaning and Definition of Find definitions for: ep•i•zo•ic Pronunciation: (ep"u-zō'ik), [key] — adj. Biol. externally parasitic. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: epizoic (Thesaurus) epixylous epizoon Related Content Daily Word Quiz: stringent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language