Sentence:  Destroy, with entire unpity, raze to the ground, those detestable houses where you <WSD>billet</WSD> the progeny of the libertinage of the poor, appalling cloacas, wherefrom there every day spews forth into society a swarm of new-made creatures ... 
Meaning of the word marked with <WSD> tags:  To lodge soldiers, or guests, usually by order.