Diœcia /(dī̇*ē"shĭ*ȧ)/

Di·œ·ci·a

Diœcia

n. pl.
  1. A Linnæan class of plants having the stamens and pistils on different plants. (Bot.)
  2. A subclass of gastropod mollusks in which the sexes are separate. It includes most of the large marine species, like the conchs, cones, and cowries. (Zool.)