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