encampment

Etymology

From encamp + -ment.

noun

1. A campsite.
   Shortly after leaving the station, the train passes the site of a small halt, built in August, 1889, to serve a large army encampment situated nearby. 1946 July and August, K. Westcott Jones, “Isle of Wight Central Railway—2”, in Railway Magazine, page 243
2. A group of temporary living quarters and/or other temporary structures.
   In Mississippi, Tom turned an encampment of do-gooder burners into an organization he dubbed Burners Without Borders. 2011, Steven T. Jones, The Tribes of Burning Man