/ Dictionary / Index E eau de Cologne: Meaning and Definition of Find definitions for: eau de Co•logne Pronunciation: (ō" du ku-lōn'), [key] cologne. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Eau Claire eau de Javelle Related Content Daily Word Quiz: serendipity Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language