epicene

1. Belonging to or having the characteristics of both the male and the female: an epicene statue.
2. Effeminate; unmanly.
3. Sexless; neuter.
4. Linguistics. Having only one form of the noun for both the male and the female.

1. One that is epicene.
2. Linguistics. An epicene word.

[Middle English, having only one form of the noun for either gender, from Latin epicoenus, from Greek epikoinos, in common : epi-, epi- + koinos, common.]

adjective

Having qualities more appropriate to women than to men: effeminate, feminine, sissified, sissyish, unmanly, womanish. See gender.

Definition: effeminate
Antonyms: macho, masculine

The adjective has 2 meanings:

Meaning #1: having an ambiguous sexual identity
  Synonym: bisexual

Meaning #2: having unsuitable feminine qualities
  Synonyms: effeminate, emasculate, cissy, sissified, sissyish, sissy