Definition of stone
1
:a concretion of earthy or mineral matter:
a (1)
:such a concretion of indeterminate size or shape
(2)
:rock
b
:a piece of rock for a specified function: such as
(1)
:a building block
(2)
:a paving block
(3)
:a precious stone :gem
(4)
:gravestone
(5)
:grindstone
(6)
:whetstone
(7)
:a surface upon which a drawing, text, or design to be lithographed is drawn or transferred
2
:something resembling a small stone: such as
a
:calculus 3a
b
:the hard central portion of a drupaceous fruit (such as a peach)
c
:a hard stony seed (as of a date)
3
plural usually stone
:any of various units of weight;
especially
:an official British unit equal to 14 pounds (6.3 kilograms)
4 a
:curling stone
b
:a round playing piece used in various games (such as backgammon or go)
5
:a stand or table with a smooth flat top on which to impose or set type
—
in stone
:in or into a permanent and unchangeable state
- plans are not set in stone
