transvestite
n//tɹænzˈvɛs.taɪt//transvestit
(dated) A person who sometimes wears clothes traditionally worn by and associated with the opposite sex; typically a male who cross-dresses occasionally by habit or personal choice.
(clinical psychology, psychiatry, pathology) A person, typically a heterosexual male, who compulsively seeks and derives paraphilic sexual arousal from cross-dressing, especially if the urges and behavior cause the patient distress or social impairment.