fifteenth Definition

1a. In counting: next after fourteenth;
1b. In counting: last of fifteen;
1c. In counting: in fifteenth position.
2a. The fifteenth day of the month;

Form: the fifteenth
2b. golf.
The fifteenth hole.
Form: the fifteenth

1. One of fifteen equal parts. Also as adj.

Example: a fifteenth share
2. A fraction equal to one divided by fifteen (usually written &onefifteenth; ).
3. The position in a series corresponding to fifteen in a sequence of numbers.
4. music.
A double octave.
5. An organ stop sounding two octaves above the diapason.