sanatorium
/ˌsænəˈtɔːrɪəm/noun
(pl. sanatoriums 或sanatoria /-rɪə/)
1- an establishment for the medical treatment of people who are convalescing or have a chronic illness疗养院, 休养所（站）。
1.1
- Brit. a room or building for sick children in a boarding school〈英〉（寄宿学校的）治疗室; 病房。
词源
mid 19th cent.: modern Latin, based on Latin sanare 'heal'.