Definition of: synoecious

(si·nē′shəs) adjective Bot.
Having male and female organs, either stamens and pistils or antheridia and archegonia, in the same inflorescence or receptacle, as in most composite plants and many mosses: also spelled synecious. [<Gk. synoikia living together <syn- together + oikos a house; formed on analogy with dioecious, monoecious, etc.]