noun

 

substance a hard, natural substance that is found in the ground

a stone wall

 

rock a small rock or piece of rock

 

jewel a hard, valuable substance that is often used in jewellery

precious stones

 

weight a unit for measuring weight, equal to 6.35 kilograms or 14 pounds

I gained two stone when I was pregnant.

 

seed the hard seed that is at the centre of some fruits

a cherry stone

 

verb

 

to kill or hurt someone by throwing stones (= small rocks) at them, usually as a punishment

Two men were stoned to death by the crowd.