Besides these Dervishes, were other three who had rushed into another sect, which mended matters with a jargon about "the Centre of Truth:" holding that Man had got out of the Centre of Truth—which did not need much demonstration—but had not got out of the Circumference, and that he was to be kept from flying out of the Circumference, and was even to be shoved back into the Centre, by fasting and seeing of spirits.
There are no more uses of "jargon" in the book.
Show samples from other sources
I’ve been home since Saturday now, and since Saturday I’ve heard a great deal of talk about mongrelizin’ the race, and it’s led me to wonder if that’s not rather an unfortunate phrase, and if probably it should be discarded from Southern jargon these days.
Harper Lee -- Go Set a Watchman
(absolument) in the sense of ’absolutely,’ expressed himself, in fact, in that Great Russo-French jargon which the French ridicule so when they have no reason for assuring us that we speak French like angels, (comme des anges.’