/ Dictionary / Index E E. coli*: Meaning and Definition of Find definitions for: E. co•li Pronunciation: (ē' kō'lī). [key] See Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. école* ecological niche Related Content Daily Word Quiz: fidelity Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language