Seventeenth

Part of speech: noun (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.

Part of speech: adjective (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.