/ Dictionary / Index D duma: Meaning and Definition of Find definitions for: du•ma Pronunciation: (d'mu), [key] — n. (in Russia prior to 1917) a council or official assembly. (cap.) an elective legislative assembly, established in 1905 by Nicholas II, constituting the lower house of parliament. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: duma (Thesaurus) duly Dumaguete Related Content Daily Word Quiz: diligent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language