lazaretto

noun3

1. •
   (historical) A place reserved for people with infectious diseases (especially leprosy or plague) to live on a long-term basis.

   • Miss Rossignol lived in the lazaretto / For Roman Catholic crones; she had white skin, / And underneath it, fine, old-fashioned bones; […] — 1962
2. •
   (historical) A building such as a hospital, or occasionally a ship, used to temporarily isolate sick people to prevent the spread of infectious diseases; a quarantine.
3. •
   A place at the front of the tweendecks of a merchant ship where provisions are stored.