nounpl. -·ri·ums or -·ria
nounpl. san·a·to·ri·ums, or san·a·to·ri·a
- An institution for the treatment of chronic diseases or for medically supervised recuperation.
- A resort for improvement or maintenance of health, especially for convalescents. Also called sanitarium .
Origin of sanatoriumFrom neuter of Late Latin sānātōrius curative from Latin sānātus past participle of sānāre to heal from sānus healthy
(plural sanatoriums or sanatoria)
Latin sanatus, past participle of sÄnÅ (“to cure, to heal").