What is the definition of a penis? If a transman had an approximation created, could they then rape with it?
ItsAllGoingToBeFine Firstly, I think that that would be classified as a prosthesis, not a penis. If they were carelessly charged with the crime of rape and prosecuted then I imagine that they might be able to contest the case on the grounds that they do not have a penis?
Secondly, as far as I can see the Sexual Offences Act 2003 recognises the sex of the perpetrator, so a "transman" is female and only a male is able to commit the crime of rape with, quote, "his penis" .
It has already been mentioned that the crime of "Assault by Penetration" can be committed by anyone who penetrates someone else without their consent with something other than a penis. My understanding is that that is what would apply in your transman scenario.
www.sentencingcouncil.org.uk/publications/item/sexual-offences-definitive-guideline/
However, @AlessandraAsteriti is the legal expert.
How different sections of the press would report such a crime is anyone's guess.