sanatōˈrium or (imitation Latin; esp N American) sanitāˈrium noun (pl sanatoˈriums or sanatoˈria)

1. A hospital for convalescents and the chronically ill, orig esp for people suffering from tuberculosis
2. A health farm, health resort or health station
3. A ward or building for the isolation and treatment of sick pupils at a boarding school, etc

sanˈatory adjective

1. Healing
2. Of healing