/ Dictionary / Index D duomo: Meaning and Definition of Find definitions for: duo•mo Pronunciation: (dwō'mō), [key] — pl. -mos, -mi cathedral, esp. in Italy. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: duomo (Thesaurus) duologue duopoly Related Content Daily Word Quiz: crutiny Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language