a strip of open land in forest or prairie, to arrest the advance of a fire
another name for firebreak (sense 1)
fire line in American English
noun
firebreak
Word origin
[1900–05, Amer.]This word is first recorded in the period 1900–05. Other words that entered Englishat around the same time include: burnout, cathode-ray tube, clone, decompression, elder statesman
Examples of 'fire line' in a sentence
fire line
Blowing embers started spot fires more than two kilometres in front of the fire line.
Globe and Mail (2003)
They go through firefighter training, learning how to anticipate where the fire line might move and how to deploy a fire shelter in an emergency.
2019, 'Untangling the Physics Behind Drifting Embers, 'Firenadoes' and Other Wildfire Phenomena',Smithsonianhttps://www.smithsonianmag.com/science-nature/untangling-physics-firenadoes-drifting-embers-other-wildfire-phenomena-180971735/