0 used to describe someone who feels that they are not the same gender (= sex) as the physical body they was born with, or who does not fit easily into being either a male or a female: --
Bagger, who started life as a man and had a sex change operation, made history by becoming the first transsexual woman to play on the Ladies' European Tour.
Gender transition refers to the period during which transsexual persons begin changing their appearance and bodies to match their internal identity.
1 a person who is transsexual --
Paul, a transsexual man, felt forced to leave his employment.
The episode featured transsexual actress Alexandra Billings as a patient with a unique diagnosis.