Available Definitions:
1) a. & n. - Common to both sexes; -- a term applied, in grammar, to such nouns as have but one form of gender, either the masculine or feminine, to indicate animals of both sexes; as boy^s, bos, for the ox and cow; sometimes applied to eunuchs and hermaphrodites.
2) a. & n. - Fig.: Sexless; neither one thing nor the other.