di·oe·cious also di·e·cious 
(dī-ēshəs)
(dī-ēshəs)adj.
Biology Having the male and female reproductive organs, especially flowers, on different individuals.
[From New Latin Dioecia, former class name : DI-1 + Greek oikiā, a dwelling; see weik-1 in the Appendix of Indo-European roots.]
di·oecism (-sĭz′əm) n.
dioe′cy (-sē) n.