Definition of cornstone in English:



mass nounGeology
  • A mottled red and green limestone characteristic of the Old and the New Red Sandstone in Britain.

    • ‘It may be noted that the building at the top is an old lime kiln where they used to burn the cornstone to get lime for their fields.’
    • ‘The soil is loam and the subsoil Old Red Sandstone, interstratified with cornstone at Pippin's Hill in the north.’
    • ‘These cornstones are only exposed at low water, and occupy a position some 15 ft. or 20 ft. above the Parnell grit.’
    • ‘The landscape is punctuated by hills which are often topped with a thin band of limestone known locally as cornstone.’
    • ‘The Bishops Frome Limestone and cornstones of the St Maughans Formation also have been used for this purpose.’