1. (a.) Next in order after the sixteenth; coming after sixteen others.

2. (a.) Constituting or being one of seventeen equal parts into which anything is divided.

3. (n.) The next in order after the sixteenth; one coming after sixteen others.

4. (n.) The quotient of a unit divided by seventeen; one of seventeen equal parts or divisions of one whole.

5. (n.) An interval of two octaves and a third.