whinstone

noun
whin·​stone | \ ˈhwin-ˌstōn How to pronounce whinstone (audio) , ˈwin-\

Definition of whinstone

chiefly British
: basaltic rock : trap also : any of various other dark resistant rocks (such as chert)

First Known Use of whinstone

1513, in the meaning defined above

History and Etymology for whinstone

whin, a hard rock

Keep scrolling for more