·noun An interval of two octaves and a third.
II. Seventeenth ·adj Next in order after the sixteenth; coming after sixteen others.
III. Seventeenth ·noun The next in order after the sixteenth; one coming after sixteen others.
IV. Seventeenth ·adj Constituting or being one of seventeen equal parts into which anything is divided.
V. Seventeenth ·noun The quotient of a unit divided by seventeen; one of seventeen equal parts or divisions of one whole.