firebreak(redirected from Fire break)
Also found in: Thesaurus, Acronyms, Encyclopedia.
A strip of land that has been cleared, plowed, or planted with fire-resistant vegetation to prevent a fire from spreading. Also called fireguard.
1. (Forestry) Also: fireguard or fire line a strip of open land in a forest or on a prairie, to arrest the advance of a fire
2. a measure taken to arrest the advance of anything dangerous or harmful
a strip of plowed or cleared land made to check the spread of a prairie or forest fire.