"Trans piercing" is a term that may refer to a piercing being done on any part of the body of an individual who identifies as transgender. However, there are several synonyms that can be used to describe this type of piercing. One such synonym is "gender affirming piercing," which emphasizes the importance of the piercing in helping the individual feel comfortable and confident in their gender expression. Another synonym is "body modification," which refers to any change made to the body, including piercings and tattoos. Ultimately, regardless of the terminology used, it's important to respect the choices and identities of all individuals, regardless of their gender or how they choose to express it.