Today’s word is sanatorium:
1 : an establishment that provides therapy combined with a regimen (as of diet and exercise) for treatment or rehabilitation
2a : an institution for rest and recuperation (as of convalescents)
2b : an establishment for the treatment of the chronically ill
Sanatorium is a noun, but I can’t figure out a way to use it without referring to definition 2b. I guess rehabs are also considered sanatoriums?