Definify.com
Webster 1913 Edition
Chalkstone
Chalk′stoneˊ
,Noun.
 1. 
A mass of chalk. 
As 
chalkstones 
. . . beaten in sunder. Isa. xxvii. 9.
2. 
(Med.) 
A chalklike concretion, consisting mainly of urate of sodium, found in and about the small joints, in the external ear, and in other situations, in those affected with gout; a tophus. 
Definition 2025
chalkstone
chalkstone
English
Noun
chalkstone (plural chalkstones)
-  A mass of chalk.
- As chalkstones […] beaten in sunder. — Isa. xxvii.
 
- (medicine) A chalk-like concretion, consisting mainly of urate of sodium, found in those affected with gout; a tophus.