plural sanatoriums or sanatoria
-ˈtorijə 
old-fashioned
: a place for the care and treatment of people who are recovering from illness or who have a disease that will last a long time
called also (US) sanitarium, ((US)) sanitorium
Cite this Entry
“Sanatorium.” Merriam-Webster.com Simple Definition, Merriam-Webster, https://www.merriam-webster.com/simple/sanatorium. Accessed 19 Jun. 2026.
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