Sentence:  They reach'd the hotel: forth stream'd from the front door / A tide of well-clad waiters, and around / The mob stood, and as usual several score / Of those pedestrian <WSD>Paphians</WSD> who abound / In decent London when the daylight's o'er; / Commodious but immoral, they are found / Useful, like Malthus, in promoting marriage. 
Meaning of the word marked with <WSD> tags:  A prostitute.