Sentence:  When we got to Cromley, it was too early to go to the spike, and we walked several miles farther, to a plantation beside a meadow, where one could sit down. It was a regular <WSD>caravanserai</WSD> of tramps—one could tell it by the worn grass and the sodden newspaper and rusty cans that they had left behind. 
Meaning of the word marked with <WSD> tags:  A roadside inn having a central courtyard where caravans can rest.