palace
/ˈpælɪs/noun
1- the official residence of a sovereign, president, archbishop, or bishop宫殿; （总统的）官邸; （主教的）宅邸：
the royal palace.
王宫。
1.1
- informal a large, splendid house〈非正式〉豪宅。
词源
Middle English: from Old French paleis, from Latin Palatium, the name of the Palatine hill in Rome， where the house of the emperor was situated.