The Desert Juggernauts are Nhecronian soldiers specialized to work in the dry and rocky terrain of the Thalok’s steppes. They may be not to big, but the squadrons are very numerous and they attack to the objective with ferocity.
While I’m not a big fan of the Piraka, Avak’s spine really fits this MOC well. It may be the only major brown part on the entire figure, but something about it just works.
In terms of the context, modifying parts, illegal connections, etc.
If you’re seeking the actual definition of the word, however, it might be better just to simply Google it.