Buck \Buck\, v. t. [imp. & p. p. Bucked (b[u^]kt); p. pr. & vb. n. Bucking.]

[OE. bouken; akin to LG. b["u]ken, Dan. byge, Sw. byka, G. bauchen, beuchen; cf. OF. buer. Cf. the preceding noun.]

1. To soak, steep, or boil, in lye or suds; -- a process in bleaching.

2. To wash (clothes) in lye or suds, or, in later usage, by beating them on stones in running water.

3. (Mining) To break up or pulverize, as ores.

Source: Webster's Revised Unabridged Dictionary (1913)
 

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.

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.

Source: Webster's Revised Unabridged Dictionary (1913)