a prison camp for the confinement of enemy aliens, prisoners of war, political prisoners, etc.
Origin of internment camp
First recorded in 1915–20
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for internment camp
As for the supernumeraries, Bournef and the others, we shall have them stowed away in an internment-camp before a week is past.The Golden Triangle|Maurice Leblanc