adj next in order after the sixth;; coming after six others.
2. seventh ·noun an interval embracing seven diatonic degrees of the scale.
3. seventh ·noun one next in order after the sixth; one coming after six others.
4. seventh ·noun a chord which includes the interval of a seventh whether major, minor, or diminished.
5. seventh ·noun the quotient of a unit divided by seven; one of seven equal parts into which anything is divided.
6. seventh ·adj constituting or being one of seven equal parts into which anything is divided; as, the seventh part.