epicene

Short definition from Wiktionary

Adjective

1. 1
   Of or relating to a class of Greek and Latin nouns that may refer to males or females but have a fixed grammatical gender (feminine, masculine, neuter, etc.).
2. 2
   Of or relating to nouns or pronouns in any language that have a single form for male and female referents.
3. 3
   Suitable for use regardless of sex; unisex.
4. 4
   Of indeterminate sex, whether asexual, androgynous, hermaphrodite, or intersex; of a human face, intermediate in form between a man's face and a woman's face.
5. 5
   Indeterminate; mixed.
6. 6
   Of a man: effeminate.

Noun

1. 1
   An epicene word; preceded by the: the epicene words of a language as a class.
2. 2
   An epicene person, whether biologically asexual, androgynous, hermaphrodite, or intersex; an androgyne, a hermaphrodite.
3. 3
   A transsexual; also, a transvestite.
4. 4
   An effeminate man.