A house that is exceptionally large, grand, and imposing is most commonly referred to as a mansion. The term "mansion" comes from the Latin mansionem, meaning "a staying" or "a dwelling," and historically referred to a manor house that served as the primary residence of a lord or wealthy landowner. Beyond "mansion," there are several more specific terms depending on the architectural style and historical context. In French-speaking regions, such a grand estate is called a château, while in Italy, it is known as a palazzo. In the United Kingdom, these are often called stately homes or manor houses, typically referring to the hereditary rural estates of the aristocracy. Other synonyms include a manse (often used for grand ecclesiastical residences) or simply a residence in a formal architectural sense. In modern luxury real estate, extremely large homes are sometimes called mega-mansions or estates. While a "palace" specifically denotes the official residence of a sovereign, head of state, or high-ranking religious figure, these other terms are used to describe grand, private residential buildings that rival palaces in their opulence, scale, and the number of staff required for their maintenance.