: a hard substance that comes from the ground and is used for building, carving, etc.
: a small piece of rock
: a piece of rock used for a particular purpose
Full Definition of STONE
: a concretion of earthy or mineral matter:
a (1): such a concretion of indeterminate size or shape (2):rock
b: a piece of rock for a specified function: as (1): a building block (2): a paving block (3): a precious stone :gem(4):gravestone(5):grindstone(6):whetstone(7): a surface upon which a drawing, text, or design to be lithographed is drawn or transferred