noun
plural stones
[noncount] :a hard substance that comes from the ground and is used for building, carving, etc.
[count] a small piece of rock
a piece of rock used for a particular purpose
[count] :a jewel
[count] :a small, hard object that sometimes forms in a part of the body (such as the kidney)
[count] chiefly Brit :a large, hard seed found in the center of some fruits (such as plums and peaches) :pit
pl stone [count] Brit :a British unit of weight equal to 14 pounds (6.35 kilograms)
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
leave no stone unturned
to make every possible effort to find someone or something
sink like a stone
verb
stones; stoned; stoning
[+ obj] to throw stones at (someone or something)
to kill (someone) by throwing stones
Brit :to remove the hard, large seed of (a fruit) :pit
stone the crows
Brit informal + somewhat old-fashioned - used to express surprise
adverb
totally or completely
US