a hard solid mineral substance:
The floors are made of stone.
a small piece of rock of any shape, found on the ground: ! In British English, a stone is a piece of stone small enough to pick up. In American English, this can be called either a rock or a stone.
piece of rock[countable]HEG
A handful of protesters began throwing stones at the police.
a jewel [= precious stone]
the large hard part at the centre of some fruits, such as a peach or cherry, which contains the seed [= pit American English]
fruit[countable] British English
a ball of hard material that can form in organs such as your bladder or kidneys
a British unit for measuring weight, equal to 14 pounds or 6.35 kilograms
weightplural stone [countable] written abbreviation st
very close to something:
The hotel is only a stone's throw from the beach.
8 also have a heart of stone
to not show any emotions or pity for someone
used to say an idea or plan could change:
John has several new ideas for the show, but nothing is etched in stone yet.
to do everything you can in order to find something or to solve a problem:
Jarvis left no stone unturned in his search to find the ring.