1. Fine metallic filings or shavings produced during machining or grinding operations
   "The machinist carefully collected the swarf for recycling"
    
2. Abrasive particles worn away from a grinding wheel
   "The swarf from the grindstone accumulated on the workshop floor"

1. (north UK) to faint or grow faint; to become languid or weak
   "The heat caused him to swarf in the crowded room"

Derived forms: swarfed, swarfing, swarfs

Encyclopedia: Swarf