sanatorium

 
Pronunciation: /ˌsanəˈtɔːrɪəm/

noun (plural sanatoriums or sanatoria /-rɪə/)

  • an establishment for the medical treatment of people who are convalescing or have a chronic illness.
  • British a room or building for sick children in a boarding school.

Origin:

mid 19th century: modern Latin, based on Latin sanare 'heal'