The Collaborative International Dictionary
Graystone
Graystone \Gray"stone`\, n. (Geol.) A grayish or greenish compact rock, composed of feldspar and augite, and allied to basalt.
Wiktionary
graystone
n. 1 (context uncountable English) A type of gray, volcanic rock, typically containing feldspar and iron 2 A building made of any type of gray stone, such as limestone
Usage examples of "graystone".
Augusta Ballinger is going on your infamous list of eligible candidates for the role of Countess of Graystone.
Graystone no doubt arrived here this afternoon and asked for the hand of a Miss Ballinger, Uncle Thomas persuaded himself the earl meant me because I am the eldest.
And I have a husband who cannot bring himself to risk loving me because I might turn out to be too much like the other Lady Graystones who have gone before me.