/ Dictionary / Index E ecospecies: Meaning and Definition of Find definitions for: ec•o•spe•cies Pronunciation: (ek'ō-spē"shēz, -sēz, ē'kō-), [key] — n. Ecol. a taxon consisting of one or more interbreeding ecotypes: equivalent to a taxonomic species. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Ecorse ecosphere Related Content Daily Word Quiz: careening Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language