Major 7th
Major triad plus a major 7th — dreamy and lush
Symbols: Cmaj7 · CM7 · CΔ7
The major 7th chord is a tetrad that adds the major 7th to the major triad, giving a dreamy, lush quality. Each major mode contains two major 7th chords. It nests the major triad and the root & 5th.