If you want to call abortion murder, go ahead. If you want people to be charged with murder for having or providing an abortion, well then yeah, the legal definition kinda matters now.
Brock Turner wasn't convicted on rape and his sentence should not reflect the guidelines for that specific crime. He was convicted for 3 felonies for he has never taken responsibility. He still claims the encounter was consensual. His sentence should reflect that, and it doesn't. Considering the severity of his actions -- not to mention the fact that the reason he's technically not a rapist under California law is because he was too stupid to take his victim somewhere more private -- I have to ask, how would you describe his actions, what impact would those actions have on the victim, and what is the difference between what you describe and how you would describe rape, the word you so want to defend Brock Turner the rapist from?