euphonium euphonism • euphonize · · · Info · Definitions · Characters · · euphonium · · Text Latin · · Script 9 · · Length 5 · · Syllables Definitions · · · (noun) a bass horn (brass wind instrument) that is the tenor of the tuba family. · · Noun Definition 1 Characters · · e latin small letter e U+0065 h latin small letter h U+0068 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 p latin small letter p U+0070 u latin small letter u U+0075