It is a stupid term and one I hope dies out. "Facejack" seems more appropriate to what has actually happened.
Rape has meant other things in older times but is rarely used now except in the legal sense (and for the crop, which is usually termed oilseed rape to differentiate it).
Wiki has this to say about the derivation:
"The word rape itself originates from the Latin verb rapere: to seize or take by force. The word originally had no sexual connotation and is still used generically in English. The history of rape, and the alterations of its meaning, is quite complex. In Roman law, rape was classified as a form of crimen vis, "crime of assault."[96] Unlike theft or robbery, rape was termed a "public wrong" iniuria publica as opposed to a "private wrong" iniuria privita.[97] Augustus Caesar enacted reforms for the crime of rape under the assault statute Lex Iulia de vi publica, which bears his family name, Iulia. It was under this statute rather than the adultery statute of Lex Iulia de adulteriis that Rome prosecuted this crime.[98] Emperor Justinian confirmed the continued use of the statute to prosecute rape during the 6th century in the Eastern Roman Empire.[99] By late antiquity, the general term raptus had referred to abduction, elopement, robbery, or rape in its modern meaning. Confusion over the term led ecclesial commentators on the law to differentiate it into raptus seductionis (elopement without parental consent) and raptus violentiae (ravishment). Both of these forms of raptus had a civil penalty and possible excommunication for the family and village receiving the abducted woman, although raptus violentiae also incurred punishments of mutilation or death.[100]
From the classical antiquity of Greece and Rome into the Colonial period, rape along with arson, treason and murder was a capital offense. "Those committing rape were subject to a wide range of capital punishments that were seemingly brutal, frequently bloody, and at times spectacular." In the 12th century, kinsmen of the victim were given the option of executing the punishment themselves. "In England in the early fourteenth century, a victim of rape might be expected to gouge out the eyes and/or sever the offender's testicles herself." "
(I only included the last paragraph for general interest rather than because it pertains to the discussion here.)