I bet it'd be pretty easy to make an awk script to convert XML into something like dictfmt(1)'s -j Jargon File format text.
https://linux.die.net/man/1/dictfmt http://www.catb.org/jargon/oldversions/jarg447.txt
https://linux.die.net/man/1/dictfmt http://www.catb.org/jargon/oldversions/jarg447.txt
What's it good for?