From Longman Dictionary of Contemporary Englishlabour campˈlabour camp British English, labor camp American English noun [countable] SCJa prison camp where prisoners have to do hard physical work
Examples from the Corpus
labour camp• Alexander Solzhenitsyn held much of his work in his mind while he was in a labour camp.• A forced labour camp, they call it.• Before you know it, you're freezing your boots off in a Siberian labour camp.• The labour camp itself was supplied from the straits. 