Chalkstone

2 definitions found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Chalkstone \Chalk"stone`\, n.
     1. A mass of chalk.
        [1913 Webster]
  
              As chalkstones . . . beaten in sunder. --Isa. xxvii.
                                                    9.


        [1913 Webster]
  
     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.
        [1913 Webster]

From WordNet (r) 2.0 [wn]:

  chalkstone
       n : a deposit of urates around a joint or in the external ear;
           diagnostic of advanced or chronic gout [syn: {tophus}]