Trioctile

Tri`oc´tile

    (~ǒk´tĭl)
n.1.(Astrol.) An aspect of two planets with regard to the earth when they are three octants, or three eighths of a circle, that is, 135 degrees, distant from each other.
Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.