/ Dictionary / Index E epibiotic: Meaning and Definition of Find definitions for: ep•i•bi•ot•ic Pronunciation: (ep"u-bī-ot'ik), [key] — Biol. Biol. —adj. of or pertaining to an organism that lives, usually parasitically, both on the surface and within the body of its host. —n. any such organism, as certain fungi. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. epibenthos epiblast Related Content Daily Word Quiz: lunar Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language