leading tone leading rein • leading wheel · · · Info · Definitions · Synonyms · Characters · · leading tone · · Text Common · · Latin · · Scripts 12 · · Length 3 · · Syllables Definitions · · · (noun) (music) the seventh note of the diatonic scale. Synonyms: subtonic, leading tone. · · Noun Definition 1 Synonyms · · · subtonic · · Synonym 1 Characters · · space U+0020 a latin small letter a U+0061 d latin small letter d U+0064 e latin small letter e U+0065 g latin small letter g U+0067 i latin small letter i U+0069 l latin small letter l U+006C n latin small letter n U+006E o latin small letter o U+006F t latin small letter t U+0074