/ Dictionary / Index E edge effect: Meaning and Definition of Find definitions for: edge' effect" Pronunciation: [key] — Ecol. Ecol. the tendency toward greater variety and density of plant and animal populations in an ecotone. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. edged edge molding Related Content Daily Word Quiz: paradox Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language