Breadcrumb Home > Dictionary > Index D Ducommun: Meaning and Definition of Find definitions for: Du•com•mun Pronunciation: (dy-kô-mœn'), [key] 1833–1906, Swiss author: Nobel peace prize 1902. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. ducky duct ✖ Related Content Daily Word Quiz: deracinate Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language