Definition of "encampment"

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

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