di·oe·cious also di·e·cious (dī-ē'shəs) adj.
Botany
Having the male and female reproductive organs borne on separate individuals of the same species.
Characterized by species in which the male and female reproductive organs occur on different individuals; sexually distinct.
[From New Latin Dioecia, former class name : di-1 + Greek oikiā, a dwelling; see weik-1 in Indo-European roots.] di·oe'cious·ly adv., di·oe'cism (-sĭz'əm) n.
dioecious di·oe·cious or di·e·cious (dī-ē'shəs) adj. Of or relating to organisms, especially plants, having the male and female reproductive organs borne on separate individuals of the same species; sexually distinct.