ragstone
/ˈræɡstəʊn/Definitions
1. noun
A type of limestone or sandstone used for building, particularly in the southeastern counties of England.
“The old village hall was built using local ragstone.”
2. noun
A type of coarse-grained, porous or friable rock, especially a type of limestone.
“The hikers struggled through the terrain of loose ragstone.”
3. noun
A type of limestone used by medieval builders.
“Ragstone was a popular choice for medieval churches.”