Sentence:  Invite 'em to my <WSD>Vaulting School</WSD>, / The Saints for freedom tell; / How they may live without Controul, / With me at Camberwell. / There all Provision shall be made / To entertain the best, / Old Mother Creswel of our Trade, / For to rub down our Guests; / Three hundred of the briskest Dames, / In Park or Field e're fell: / Whose Amorous Eyes shall charm the flames / O'th' Saints at Camberwell. 
Meaning of the word marked with <WSD> tags:  A brothel.