v. Obs. rare–1. [? Corrupt var. of TROUGH v. (which, however, is not recorded in this sense).] trans. ? To subject (a mineral deposit) to a process by which the ore or metal is separated from other matter.
1619. S. Atkinson, Discov. Gold Mynes Scot. (Bannatyne Club), 1–2. Sufficient water … with which all sorts of earth are to be washed or scowred, else buddled, and so stroughed.
