Bucking stool

from The Collaborative International Dictionary of English v.0.48
Bucking \Buck"ing\, n.
   1. The act or process of soaking or boiling cloth in an
      alkaline liquid in the operation of bleaching; also, the
      liquid used. --Tomlinson.
      [1913 Webster]

   2. A washing.
      [1913 Webster]

   3. The process of breaking up or pulverizing ores.
      [1913 Webster]

   {Bucking iron} (Mining), a broad-faced hammer, used in
      bucking or breaking up ores.

   {Bucking kier} (Manuf.), a large circular boiler, or kier,
      used in bleaching.

   {Bucking stool}, a washing block.
      [1913 Webster]
    

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