Definition of "graystone" [gray•stone]

• A type of gray, volcanic rock, typically containing feldspar and iron (noun)
• A building made of any type of gray stone, such as limestone (noun)

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• "Meantime, my fantasy resurfaces: me inside my own Congressman's neo - traditional Georgetown graystone -- a wild scene of passionate, out-of-control (but, of course, well informed) lovemaking."
• "Champlain also sent provisions that had been shipped in graystone pottery crocks of Norman design."
• "The frosty night had turned the graystone steps to ice and through my skirt and drawers my legs grew numb."