union army union • union black · · · Info · Definitions · Characters · · union army · · Text Common · · Latin · · Scripts 10 · · Length 4 · · Syllables Definitions · · · (noun) the northern army during the American Civil War. Synonyms: Union Army. · · Noun Definition 1 Characters · · space U+0020 a latin small letter a U+0061 i latin small letter i U+0069 m latin small letter m U+006D n latin small letter n U+006E o latin small letter o U+006F r latin small letter r U+0072 u latin small letter u U+0075 y latin small letter y U+0079