Seventeenth /(?)/

Sev·en·teenth

Seventeenth

a.
  1. Next in order after the sixteenth; coming after sixteen others.
    In . . . the seventeenth day of the month . . . were all the fountains of the great deep broken up.
    — Gen. vii. 11.
  2. Constituting or being one of seventeen equal parts into which anything is divided.

Seventeenth

n.
  1. The next in order after the sixteenth; one coming after sixteen others.
  2. The quotient of a unit divided by seventeen; one of seventeen equal parts or divisions of one whole.
  3. An interval of two octaves and a third. (Mus.)