eastern sioux eastern silvery aster • eastern spruce · · · Info · Definitions · Characters · · eastern sioux · · Text Common · · Latin · · Scripts 13 · · Length 4 · · Syllables Definitions · · · (noun) a member of the eastern branch of the Sioux. Synonyms: Santee, Santee Sioux, Santee Dakota, Eastern Sioux. · · Noun Definition 1 Characters · · space U+0020 a latin small letter a U+0061 e latin small letter e U+0065 i latin small letter i U+0069 n latin small letter n U+006E o latin small letter o U+006F r latin small letter r U+0072 s latin small letter s U+0073 t latin small letter t U+0074 u latin small letter u U+0075 x latin small letter x U+0078