backburn
verb
- light a controlled fire in the path of a wildfire to gain control
noun
- The act of lighting a controlled fire in the path of a wildfire to gain control
Wiktionary
noun
Etymology: From back + burn.
- A controlled burn, lit in the path of a wildfire, in order to deprive it of combustible material.
verb
Etymology: From back + burn.
- To light a fire for this reason.