swarf UK /swɔːf/US /swɔɹf/noun 3verb 2forms 3 noun3 •The waste chips or shavings from an abrasive activity, such as metalworking, a saw cutting wood, or the use of a grindstone or whetstone.Filings of iron, called Swarf, the barrel — — 0 [shillings] 2 [pence] — 1770 •A particular waste chip or shaving.Harrogate looked at the ground. A black swarf packed with small parts in a greasy mosaic. — 1979 •(no longer used) A faint or swoon. verb2 •To grind down.A machine for swarfing the joining edges of parts or sub-assemblies having compound angle surfaces is announced by the Rockford Machine Tool Co., Rockford, 111. — 1958 •(Scotland, no longer used) To grow languid; to faint. formsswarfed · swarfing · swarfs