noun pl. lazarettos
Origin: It < Venetian lazareto, nazareto, after Venetian church of Santa Madonna di Nazaret, used as a plague hospital during the 15th c.; initial l- by assoc. with lazzaro, leper: see lazar
See lazaretto in American Heritage Dictionary 4
noun pl. laz·a·ret·tos also laz·a·rets or laz·a·rettes
Origin: Italian lazzaretto
Origin: : blend of lazzaro, lazar (from Late Latin Lazarus, Lazarus; see lazar)
Origin: and dialectal Nazareto, popular name for a hospital maintained in Venice by the Church of Santa Maria di Nazaret.