transsexual trans·sex·u·al (trāns-sěk'shōō-əl)
A person with the external genitalia and secondary sexual characteristics of one sex, but whose personal identification and psychosocial configuration is that of the opposite sex.
A person who has undergone a sex change.
Of or relating to such a person.
Relating to medical and surgical procedures designed to alter a person's external sexual characteristics so they resemble those of the opposite sex.