whinstone
nounEtymology Possibly corrupted from quern stone, i.e. stone suitable for making querns; or else, from whin + stone.
1
Usually A stone used to crush whin for use as winter feed for cattle.
2
Usually Any hard dark-coloured rock.
Quarrying industry
- ‘A rough fellow, rather, Mrs. Dean. Is not that his character?‘ ‘Rough as a saw-edge, and hard as whinstone! The less you meddle with him the better.’1847, Emily Brontë, chapter IV, in Wuthering Heights: