duma dum • dumaist · · · Info · Definitions · Characters · · duma · · Text Latin · · Script 4 · · Length Definitions · · · (noun) a legislative body in the ruling assembly of Russia and of some other republics in the former USSR. Synonyms: Duma. · · Noun Definition 1 Characters · · a latin small letter a U+0061 d latin small letter d U+0064 m latin small letter m U+006D u latin small letter u U+0075