noun
leprosarium; leper colony
Medical term for a facility where people with leprosy (Hansen's disease) were treated or isolated. Historically used, but now often replaced by more modern terms like ハンセン病療養所.
かつて日本には多くの癩療養所があった。
There used to be many leprosariums in Japan.
この地域の癩療養所は現在、博物館として保存されている。
The leprosarium in this area is now preserved as a museum.
More modern and preferred term for a leprosy sanatorium, using the disease name 'Hansen's disease' instead of the older, stigmatized term.
Compound of 癩 (rai, 'leprosy') + 療養所 (ryōyōjo, 'sanatorium'). The term reflects historical medical terminology.