我给你抄《牛津高阶英汉双解词典》(第7版),
Palace:
1.the oficial home of a king,queen,president,etc.王宫,宫殿,总统府:Buckingham Palace白金汉宫;the royal palace王宫
2.any large impressive house.豪华住宅,宫殿
3.a large public building,such as a hotel or cinema/ movie theater大的公共建筑:the Strand Palace Hotel
Court:
1.the official places where kings and queens live王宫;宫殿,宫廷:the court of Queen Victoria 维多利亚女王的宫廷
2.courtyard
used in the names of blocks of flats or apartment buildings,or of some short streets; (in Britain) used in the name of some large houses(用于套房、公寓或某些短街区的名称)公寓大楼,短街;(英国)宅第
3.a large open section of a building,often with a glass roof建筑物的开阔部分(常有玻璃房顶);大厅;馆