A transgender person.
Transgenderism; the state of being transgender. (Compare transsex.)
To change the gender of; (used loosely) to change the sex of. (Compare transsex.)
(narrowly) Having a gender (identity) which is different from the sex one was assigned at birth: being assigned male at birth but having a female or non-binary gender or vice versa; or, pertaining to such people. (Compare transsexual, and the following sense.)
(broadly) Not identifying with culturally conventional gender roles and categories of male or female; having changed gender identity from male to female or female to male, or identifying with elements of both, or having some other gender identity; or, pertaining to such people. (Compare genderqueer, transsexual.)
(of a space) Intended primarily for transgender people.
(of a space) Available for use by transgender people (in addition to non-transgender people).