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