DCHP-1 Online
rocking Placer Mining 
n. the practice of using a rocker.
See also: rocker ((1))
- 1859 In proof of the latter the lowest sum named by any miner as the product of a day's rocking is three to five dollars, for nearly two hundred miles along Fraser river.
- 1900 There are quite a few Chinamen all along the river who make a few dollars rocking.
- 1936 We could always get enough water to operate two or three "rockers" but when our claims were being worked on a fairly large scale the rocking system could no longer be economically applied.
- 1859 In proof of the latter the lowest sum named by any miner as the product of a day's rocking is three to five dollars, for nearly two hundred miles along Fraser river.