/ Dictionary / Index C Cotonou: Meaning and Definition of Find definitions for: Co•to•nou Pronunciation: (kō"tu-n'), [key] — n. a seaport in SE Benin. 180,000. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: cotonou (Thesaurus) cotoneaster Cotopaxi Related Content Daily Word Quiz: lunar Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language