Wiktionary
transsexual. n. (context rare English) transsexuality, transsexualism; the state of being transsexual. (qualifier Compare ''transgender#Noun transgender''.) v
1 (context intransitive English) To transition (to undergo a transition) from being one sex/gender to being another (especially by sex reassignment surgery). (qualifier Compare ''transgender#Verb transgender''.) 2 (context transitive English) To transgender; to (cause something to) change from being sexed/gendered in one way to being sexed/gendered in another way.
Usage examples of "transsex".
Serious Dick, fun-loving Tom, and sturdy-hearted Sam are now cadets at the Pentagon Military Academy (after their transsex operations in Denmark) and are buying pot, poppers, googies, hash, and uglies as refreshments for an orgy to celebrate Serious Dick’s election as Porno Procurement officer of his company.
We have never been able to persuade him to undergo a transsex transformation.