semiquartile

from The Collaborative International Dictionary of English v.0.48

Semiquadrate \Sem"i*quad`rate\ (s[e^]m"[i^]*kw[o^]d`r[asl]t),
Semiquartile \Sem"i*quar`tile\ (s[e^]m"[i^]*kw[add]r`t[i^]l), n.
   (Astrol.)
   An aspect of the planets when distant from each other the
   half of a quadrant, or forty-five degrees, or one sign and a
   half. --Hutton.
   [1913 Webster]