A2 heat, light, and flames that are made when something burns: Three people were killed in the fire.
catch fire B1 to start burning: Dry grass can catch fire easily.
be on fire B1 to be burning: That house is on fire.
set fire to something › to make something start burning: Enemy troops set fire to the village.
B1 a pile of wood or coal that is burning to produce heat: He sat close to the fire to keep warm.
open fire (on someone) › to start shooting with guns, usually at a group of people: Suddenly, the soldiers opened fire on the enemy.