1. the wood or bark that is left after harvesting or a manufacturing process, e.g., slabs, edgings, trimmings, miscuts, sawdust, shavings, veneer cores and clippings, pulp screenings, and logging slash —note residues may be separated into logging residues and mill residues 2. in pesticide applications a pesticide or its derivatives remaining in the environment or on the crop after treatment —see residence timeThis definition last updated 08/14/2008