Definitions for "Seventeenth"
Next in order after the sixteenth; coming after sixteen others.
position 17 in a countable series of things
coming next after the sixteenth in position
Constituting or being one of seventeen equal parts into which anything is divided.
The quotient of a unit divided by seventeen; one of seventeen equal parts or divisions of one whole.
Keywords:  octaves, interval, third, two
An interval of two octaves and a third.