(ˈ)sha|tō sometimes -ä|- or -ȧ|- noun
( plural châteaus -ōz ; or châ·teaux -ō(z))
Etymology: French, from Old French chastel, from Latin castellum — more at castle
1. : a feudal castle or fortress in France
2. : a large country house : mansion
3. : a French vineyard estate especially in the Bordeaux wine region — often used prepositively in compounds naming such estates and their wines (as Château-Haut-Brion, the name of a vineyard in the Graves district in the Gironde and the red wine produced from its grapes); compare clos , côte