sanatorium

san·a·to·ri·um

noun \ˌsan-ə-ˈtōr-ē-əm, -ˈtȯr-\

plural san·a·to·ri·ums or san·a·to·ria \-ē-ə\

Definition of SANATORIUM

1

: an establishment that provides therapy combined with a regimen (as of diet and exercise) for treatment or rehabilitation

2

a : an institution for rest and recuperation (as of convalescents) b : an establishment for the treatment of the chronically ill <a tuberculosis sanatorium>