Vocabulary - crossdresser
A person who is crossdressing is any person who, for any reason, wears any amount of clothing normally considered belonging to the opposite sex. Cross-dressers have no desire or intention of adopting the behaviors or practices common to the opposite gender, and do not wish to undergo medical procedures to facilitate physical changes.Contrary to common belief, the vast majority of cross-dressers, which comprises the vast majority of those who wear clothing of the opposite sex, are heterosexual.
source : Wikipedia