- Such concreted matter of a particular type. Often used in combination: sandstone; soapstone.
- Rock or a piece of rock shaped or finished for a particular purpose, especially:
- A gravestone or tombstone.
- A grindstone, millstone, or whetstone.
- Pathology A mineral concretion in an organ, such as the kidney or gallbladder, or other body part; a calculus.
- Made of stoneware or earthenware.
- To hurl or throw stones at, especially to kill with stones.
- Obsolete To make hard or indifferent.