\Sev"en*teenth`\, a. [From {Seventeen}: cf. AS.
seofonte['o][eth]a, seofonteoge[eth]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.

\Sev"en*teenth`\, 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. (Mus.) An interval of two octaves and a third.