A2[C or U](material that is in) the state of burning that produces flames that send out heat and light, and might produce smoke: Animals are usually afraid of fire.The fire was started by children playing with matches.40 people helped to put out(= stop) the fire.The library was badly damaged in the fire.How many historic buildings are damaged by fire each year?She had to be rescued when her house caught (UScaught on) fire (= started to burn).Fire and flameFire serviceB1[C]a small controlled fire that is used for heating or cooking: It's very cold in here - should I light a fire?We built a fire on the beach.We put up our tents and made a small fire.Fire and flameFire serviceon fireB1If something is on fire, it is burning when it should not be: If your home was on fire and you could save only one thing, what would it be?Burning, burnt and on fire›[C]UKa gas or electric heater that is used to warm up a room: a gas/electric fireIf you're cold just put the fire on.Heaters and burners