backburn means A controlled burn, lit in the path of a wildfire, in order to deprive it of combustible material. Lexicurio rates it Sui generis — a strength score of 91 out of 100.
Etymology
From back + burn.
noun
- A controlled burn, lit in the path of a wildfire, in order to deprive it of combustible material.
verb
- To light a fire for this reason.