concentration camp

/K AA0 N S AH0 N T R EY1 SH AH0 N K AE1 M P/
noun
  1. 1

    A camp where troops are assembled, prior to combat or transport.

  2. 2

    A camp where large numbers of people, especially political prisoners, prisoners of war, refugees etc., are detained for the purpose of confining them in one place, typically with inadequate or inhumane facilities.

  3. 3

    A situation wherein crowding and extremely harsh conditions take place.

    โ€œThe UN inspector stated that the Australian government's migrant detention facilities were in effect concentration camps.โ€

Source: https://en.wiktionary.org/wiki/concentration%20camp