1. n. (firefighting) A vehicle used by firefighters to pump water to fight a fire. Typically, a fire engine carries a supply of water and has the ability to connect to an external water supply.
2. n. (archaic) Any fire apparatus, such as the pumping apparatus on a fire boat.
1. n. 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. n. 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. n. The occurrence, often accidental, of fire in a certain place, causing damage and danger.
There was a fire at the school last night and the whole place burned down.