n, pl  -riums  or  -ria   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 >  .
 
   
 
Similar sounding terms:  cen·trum  san·i·tar·i·um  san·i·to·ri·um  syn·drome 
 
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