whinstone /(h)winˈstōn or -stən/

1. (also whin) any hard and compact kind of rock, usu basalt or the like
2. A piece of this

Whin Sill noun

A sheet of intrusive quartz-dolerite or quartz-basalt exposed almost continuously for nearly 200 miles from the Farne Islands to Middleton-in-Teesdale

• commonholds
• commoning
• commonings
• common in the soil
• common law
• common-law husband
• common-law marriage
• common-law marriages
• common-law wife
• common logarithm
• common logarithms
• commonly
• common market
• common measure
• common measures
• common metre
• common-mode failure
• common-mode failures
• common multiple
• commonness
• commonnesses
• common noun
• common nouns
• common of estovers
• common of pasture