A château (French pronunciation: [ʃɑto]; plural: châteaux) is a manor house, or palace, or residence of the lord of the manor, or a fine country house of nobility or gentry, with or without fortifications, originally, and still most frequently, in French-speaking regions. Nowadays, a château may be any stately residence built in a French style; the term is additionally often used for a winegrower's estate, especially in the Bordeaux region of France. Definition. The word château is a French word that has entered the English language, where its meaning is more specific than it is in French.
https://en.wikipedia.org/wiki/Ch%C3%A2teau