Noun
a narrow field that has been cleared to check the spread of a prairie fire or forest fire
Source: WordNetHe tweeted on Saturday afternoon: ‘The Welsh firebreak will end on Monday, November 9. Our cabinet will meet tomorrow to discuss any potential border issues for Wales in light of any announcement by No 10.’ Source: Internet
“The purpose of selling essential items only during firebreak is to discourage spending more time than necessary in shops and to be fair to retailers who have to close." Source: Internet