noun
1. in classical harmony : the chord of the subdominant with a major sixth from the root added
2. : a triad with a major sixth from the root added
noun
1. in classical harmony : the chord of the subdominant with a major sixth from the root added
2. : a triad with a major sixth from the root added
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012