palazzo       
noun [ C ] uk/pəˈlæt.səʊ/ us/pəˈlɑːt.soʊ/  palazzos or palazzi
 宫殿;意式豪邸
a very large and beautiful Italian house, especially one that a member of a royal family or person of high social rank used to live in
  He rents a flat in a former palazzo on a quiet Venetian canal. 他在一条安静的威尼斯运河上的一座前宫殿里租了一套公寓。 
 Via Garibaldi is lined with stunning 16th-century palazzos.
 the palazzi, churches, and towers of Siena
 - More examples
 - The Prince walks through the shaded four-acre gardens of his palazzo.
 - We stayed in a crumbling palazzo in a remote part of Tuscany.
 - These old palazzos are often used as museums and exhibition centres.