Definition of cornstone in English:

cornstone

Line breaks: corn|stone
Pronunciation: /ˈkɔːnstəʊn
 
/

noun

[mass noun] Geology
A mottled red and green limestone characteristic of the Old and the New Red Sandstone in Britain.
More example sentences
  • The Bishops Frome Limestone and cornstones of the St Maughans Formation also have been used for this purpose.
  • 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.

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