STONE

noun

1. A hard earthen substance that can form large rocks.
2. A small piece of stone, a pebble.
3. A gemstone, a jewel, especially a diamond.

verb

1. To pelt with stones, especially to kill by pelting with stones.
2. To wall with stones.
3. To remove a stone from (fruit etc.).

adjective

1. Constructed of stone.
2. Having the appearance of stone.
3. Of a dull light grey or beige, like that of some stones.