(also châ·teau ) / ˈʃætəʊ; NAmE ʃæˈtoʊ/ noun
( pl. cha·teaux or cha·teaus / -təʊz; NAmE -ˈtoʊz/) (from French ) a castle or large country house in France
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WORD ORIGIN
mid 18th cent.: French , from Old French chastel from Latin castellum , diminutive of castrum fort.