/ ˌsænəˈtɔːriəm; NAmE / ( NAmE also sani·tar·ium / ˌsænəˈteəriəm; NAmE -ˈter-/) noun
( pl. -riums or -ria / -riə; NAmE /) a place like a hospital where patients who have a lasting illness or who are getting better after an illness are treated
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WORD ORIGIN
mid 19th cent.: modern Latin , based on Latin sanare heal.