stone

1 stone /ˈstoʊn/ noun
plural stones
1 stone
/ˈstoʊn/
noun
plural stones
Britannica Dictionary definition of STONE
1 
[noncount] : a hard substance that comes from the ground and is used for building, carving, etc. — often used before another noun
2 
[count]
a  : a small piece of rock
b  : a piece of rock used for a particular purpose
— see also headstone
4 
[count] : a small, hard object that sometimes forms in a part of the body (such as the kidney) — see also gallstone, kidney stone
5 
[count] chiefly British : a large, hard seed found in the center of some fruits (such as plums and peaches) : pit
6 
[count] British plural stone : a British unit of weight equal to 14 pounds (6.35 kilograms) — abbreviation st

a stone's throw

: a short distance

carved/etched/set/written in stone

: permanent or not able to be changed

kill two birds with one stone

— see 1kill

leave no stone unturned

: to make every possible effort to find someone or something

sink like a stone

— see 1sink
2 stone /ˈstoʊn/ verb
stones; stoned; stoning
2 stone
/ˈstoʊn/
verb
stones; stoned; stoning
Britannica Dictionary definition of STONE
[+ object]
1 
: to throw stones at (someone or something)
2 
: to kill (someone) by throwing stones
3 
British : to remove the hard, large seed of (a fruit) : pit

stone the crows

British, informal + somewhat old-fashioned
— used to express surprise
3 stone /ˈstoʊn/ adverb
3 stone
/ˈstoʊn/
adverb
Britannica Dictionary definition of STONE
: totally or completely
— sometimes used in combination — see also stone-cold