Lazaretto | { } n. [ F. lazaret, or It. lazzeretto, fr. Lazarus. See Lazar. ] 1. A public building, hospital, or pesthouse for the reception of diseased persons, particularly those affected with contagious diseases. [ 1913 Webster ] 2. (Naut.) (Pronounced by seamen A low space under the after part of the main deck, used as a storeroom. [ Webster 1913 Suppl. ] Variants: Lazaret |