in ‧ tern ‧ ment /ɪnˈtɜːnmənt $ -ɜːr-/ BrE AmE noun
[ Date: 1800-1900 ; Origin: ⇨ ↑ intern 1 ]
[uncountable] the practice of keeping people in prison during a war or for political reasons, without charging them with a crime ⇨ intern :
an internment camp