prison camp

a camp for the confinement of prisoners of war or political prisoners.

a camp for less dangerous prisoners assigned to outdoor work, usually for the government.

Origin of prison camp

First recorded in 1905–10

Some men had escaped from the German prison-camp seven miles away and he was one of the sentries who were watching the road.

Tam O' The Scoots |Edgar Wallace
What I say outright is all known to the Germans, or obvious to the veriest fool of a prison-camp commandant.

13 Days |John Alan Lyde Caunter
Later in the day we were taken to the station, to take the train for the prison-camp at Giessen.

Three Times and Out |Nellie L. McClung
It was September 25th that we left the prison-camp and came to Rossbach—eighteen miles south on the railway.

Three Times and Out |Nellie L. McClung

We got the same food as they had in the prison-camp, and we had a mattress to sleep on, and two blankets.

Three Times and Out |Nellie L. McClung