adj. & n.
--adj.
1. Gram. denoting either sex without change of gender.
2 of, for, or used by both sexes.
3 having characteristics of both sexes.
4 having no characteristics of either sex.
5 effete, effeminate.
--n. an epicene person.
Etymology: ME f. LL epicoenus f. Gk epikoinos (as EPI-, koinos common)