SANATORIUM
Bedlam, booby hatch, crazy house, cuckoo's nest, funny farm, funny house, loony bin, madhouse, nut house, nuthouse, sanatorium, snake pit
(noun) pejorative terms for an insane asylum
sanatorium, sanatarium, sanitarium
(noun) a hospital for recuperation or for the treatment of chronic diseases
Source: WordNet® 3.1
Etymology
Noun
sanatorium (plural sanatoriums or sanatoria)
An institution that treats chronic diseases, and provides supervised recuperation and convalescence.
Source: Wiktionary
San`a*to"ri*um, n. Etym: [NL. See Sanatory.]
Definition: An establishment for the treatment of the sick; a resort for
invalids. See Sanitarium.
Source: Webster’s Unabridged Dictionary 1913 Edition