septile

Noun

 * 1)  Any of the quantiles that divide an ordered sample population into seven equally numerous subsets.
 * 2)  An angle of roughly 51.5° (1/7 of the 360° ecliptic).
 * 1)  An angle of roughly 51.5° (1/7 of the 360° ecliptic).

Adjective

 * 1)  Relating to a septum; septal.