epicene EP-uh-seen, adjective:
1. Having the characteristics of both sexes.
2. Effeminate; unmasculine.
3. Sexless; neuter.
4. (Linguistics) Having but one form of the noun for both the male and the female.
noun:
1. A person or thing that is epicene.
2. (Linguistics) An epicene word.
Epicene derives from Latin epicoenus, from Greek epikoinos, “common to,” from epi-, “upon” + koinos, “common.”