fuel: Meaning and Definition of

fu•el

1. combustible matter used to maintain fire, as coal, wood, oil, or gas, in order to create heat or power.
2. something that gives nourishment; food.
3. an energy source for engines, power plants, or reactors: Kerosene is used as jet engine fuel.
4. something that sustains or encourages; stimulant: Our discussion provided him with fuel for debate.

1. to supply with fuel.

1. to obtain or replenish fuel.