Sidewinder : A limb or sapling that is bent under a tree that has been felled. Unintentionally cutting them is extremely dangerous. In some areas sidewinder refers to the falling of a tree in an unintended direction. See: Spring Pole
US Department of Labor, Logging eTool: Glossary, Occupational Safety & Health Administration OSHA, Washington, D.C., USA 2010. https://www.osha.gov/SLTC/etools/logging/glossary. html, (OSHA/ Logging - Amer) {620}