Definify.com
Webster 1913 Edition
Bucking
Buck′ing
,Noun.
 1. 
The act or process of soaking or boiling cloth in an alkaline liquid in the operation of bleaching; also, the liquid used. 
Tomlinson.
 2. 
A washing. 
3. 
The process of breaking up or pulverizing ores. 
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.
 Webster 1828 Edition
Bucking
BUCK'ING
,ppr.
  BUCK'ING
,Noun.
  Definition 2025
bucking
bucking
English
Verb
bucking
- present participle of buck
 
Noun
bucking (plural buckings)
- The act or process of soaking or boiling cloth in an alkaline liquid in the operation of bleaching.
 -  The liquid used in this process.
- (Can we find and add a quotation of Tomlinson to this entry?)
 
 - A washing.
 - The process of breaking up or pulverizing ores.
 - (of a quadruped) The act of bucking, or kicking both hind legs upward.