palace
A very large, fancy home where kings or queens live.
A palace is a grand, magnificent building where royalty lives. Kings, queens, emperors, and other rulers have made palaces their homes throughout history, and these buildings reflect their power and wealth through enormous size, beautiful architecture, and luxurious decorations.
Think of the difference between a regular house and a palace: while a house might have a kitchen, living room, and a few bedrooms, a palace can contain hundreds of rooms, including vast halls for entertaining guests, throne rooms where rulers conduct official business, and sometimes even private chapels, libraries, and theaters. The Palace of Versailles in France has 2,300 rooms and was home to French kings. Buckingham Palace in London, where the British royal family lives, employs over 800 staff members to maintain it.
Palaces often become symbols of a nation's history and culture. Even when kings and queens no longer hold political power, their palaces remain important landmarks. Many palaces have been converted into museums where visitors can glimpse how royalty once lived.
People sometimes use palace playfully to describe any surprisingly large or fancy building. If your friend has an enormous house with a pool, game room, and home theater, you might jokingly call it a palace.