Pronunciation: (sek'stil, -stīl), [key]
Astron.noting or pertaining to the aspect or position of two heavenly bodies when 60° distant from each other.
1. Astron.a sextile position or aspect.
2. Astrol.a sextile position or aspect, conducive to mental stimulation.
3. Statistics.a quantile for the special case of six equal proportions.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.