A (usually self-sustaining) chemical reaction involving the bonding of oxygen with carbon or other fuel, with the production of heat and the presence of flame or smouldering.
2
An instance of this chemical reaction, especially when intentionally created and maintained in a specific location to a useful end (such as a campfire or a hearth fire).
We sat about the fire singing songs and telling tales.
3
The occurrence, often accidental, of fire in a certain place, causing damage and danger.
During hot and dry summers many fires in forests are caused by regardlessly discarded cigarette butts.
4
The aforementioned chemical reaction of burning, considered one of the Classical elements or basic elements of alchemy.