Torch 4 : (1) Ignition and subsequent envelopment in flames, usually from bottom to top, of a tree or small group of trees. (2) To set fire to property deliberately and maliciously. (3) A professional firesetter-for-hire
National Wildfire Coordinating Group (NWCG), Glossary of Wildland Fire Terminology, NWCG Program Management Unit, National Interagency Fire Center, Boise, ID, USA 2014. http://www.nwcg.gov/pms/pubs/glossary/pms205.pdf, (For Fr - Amer) {45}