lazar house

noun2

1. •
   (figurative, no longer used) A hospital or lazaret for quarantining patients suffering highly infectious diseases.
2. •
   (no longer used) Synonym of leprosery: A building used to house lepers, usually in permanent quarantine from the rest of society.

   • The lazar house of Nancy, which was among the largest in Europe, had only four inmates during the regency of Marie de Médicis. — 1965