/san'euh tawr"ee euhm, -tohr"-/ , n. , pl. sanatoriums, sanatoria /-tawr"ee euh, -tohr"ee euh/ .
1. a hospital for the treatment of chronic diseases, as tuberculosis or various nervous or mental disorders.
2. sanitarium.
[ 1830-40; sana ( re ) to heal + -torium -TORY 2 ]