1) Ordinal 
The God Particle: If the Universe Is the Answer, What Is the Question? is a 1993 popular science book by Nobel Prize-winning physicist Leon M. Lederman and science writer Dick Teresi. The book provides a brief history of particle physics, starting with the Pre-Socratic Greek philosopher Democritus, and continuing through Isaac Newton, Roger J. Bos...
• (n.) An interval of two octaves and a third. • (a.) Constituting or being one of seventeen equal parts into which anything is divided. • (a.) Next in order after the sixteenth; coming after sixteen others. • (n.) The quotient of a unit divided by seventeen; one of seventeen equal parts or divisions of one whole. • (n.) Th...
Sev'en·teenth` adjective [ From Seventeen : confer Anglo-Saxon seofonteóða , seofonteogeða .] 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 brok...
In music a seventeenth is an interval of two octaves and a third.
[adj] - coming next after the sixteenth in position 2. [n] - position 17 in a countable series of things
17th adjective coming next after the sixteenth in position