SCOUR'ING, participle present tense Rubbing hard with something rough; cleaning by rubbing; cleansing with a drastic cathartic; ranging over for clearing. SCOUR'ING, noun A rubbing hard for cleaning; a cleansing by a drastic purge; looseness; flux.
Source: Webster's 1828 American Dictionary ↗ · public-domain · returned verbatim, no AI