This term is a proper noun.
The term "Palais Renaissance" is quite specific and is mainly used in the context of referring to the particular shopping mall in Singapore. It is more commonly found in written materials related to travel, shopping guides, or discussions about luxury shopping experiences in Singapore.
There are no common idiomatic expressions using "Palais Renaissance" as it is a specific proper noun referring to a shopping mall.
The term "Palais Renaissance" is a combination of the French word "Palais" meaning palace and the English word "Renaissance" referring to a rebirth or revival. It conveys a sense of luxury and sophistication.