A transgender or transsexual woman; i.e., a woman who was assigned male at birth.
Transsexuality, transsexualism; the state of being transsexual. (Compare transgender.)
To transgender; to (cause something to) change from being sexed/gendered in one way to being sexed/gendered in another way.
To transition (to undergo a transition) from being one sex/gender to being another (especially by sex reassignment surgery). (Compare transgender.)
Transsexual.