Wiktionary
backburn
n. a controlled fire, lit in the path of a wildfire, in order to deprive it of combustible material. vb. To light a fire for this reason.
Wikipedia
Backburn
See also back-burning.
Backburn is a rural settlement near Gartly in Aberdeenshire, Scotland.
Usage examples of "backburn".
I don't want any damned fool running out of the lock in a light suit and getting blinded by our backburn.