noun

• (uncountable) 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]"
• (countable) A particular waste chip or shaving.
  "These swarfs, especially if they are of the tin bronze type, can usually be re-melted, after passing over a magnetic separator, by adding a small percentage to each charge of the alloy issued to the foundry for melting."

verb

• (transitive) 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."

verb

• (intransitive, Scotland, obsolete) To grow languid; to faint.
  "Meg, rinnin like a flae in blanket, / Her coats upon a lang nail hanket, / That gart her coup the creels [i.e., fall head over heels] an' ſqueel, / "Ah! Sirce, I'm gruppet by a de'il!" / An' as ſhe near the threſhold lay, / Wae's me! ſhe near hand ſwarf'd away!"

noun

• (obsolete) A faint or swoon.
  "And when they had ſo continued feaſting for a ſhort time, they had been ſo ſerved before, and the food was ſo rare and excellent, that they fell into a ſwarf, and cried out, Cant[icle of Canticles] ii. 4, 5. 'He hath brought me into the banqueting-houſe, and his banner over me was love. O ſtay me with flaggons, comfort me with apples, for I am ſick of love.'"