chalkstone Meaning, Definition & Usage

  1. noun a deposit of urates around a joint or in the external ear; diagnostic of advanced or chronic gout
    tophus.

WordNet

Chalk"stone` noun
Definitions
  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.

Webster 1913