/ Dictionary / Index I interspecies: Meaning and Definition of Find definitions for: in•ter•spe•cies Pronunciation: (in"tur-spē'shēz, -sēz), [key] — adj. existing or occurring between species. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: interspecies (Thesaurus) interspace intersperse Related Content Daily Word Quiz: penury Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language