Sentence:  At leaſt five Hundred of theſe reforming Vultures are daily plundering our Pockets, and ranſacking our Houſes, leaving me ſometimes not one pair of Tractable Buttocks in my <WSD>Vaulting-School</WSD> to provide for my Family, or earn me ſo much as a Pudding for my next "Sundays" Dinner : [...] 
Meaning of the word marked with <WSD> tags:  A brothel.