Of two genders.

Having two genders simultaneously: both male and female. / Having a tendency to move between feminine and masculine gender-typed behaviour depending on context.

The state of being bigender; the state of having two (or multiple) genders simultaneously.

The theory that society enforces a strict male-female gender binary, privileges masculinity and maleness over femininity and femaleness, and (when the theory is strictly construed) limits gender to a direct correspondence with assigned sex at birth.