House hut Flat Villa Bungalow Caravan Tent Teepee Igloo Castle Cottage Mansion Ranch thatched roof roof covering made of straw or leaves apex roof a roof with a point at the highest part eaves part of a roof that meets or overhangs the walls of a building rampart defensive wall of a castle with a broad topped walkway Moat a deep wide ditch surrounding a castle, filled with water to protect the castle from attack