Fuel

n. [Norm. Fr. fuail, fouaille, fouaille, L. Lat. focale, from Lat. focus, hearth, fire place; L. Lat. fire, O. Fr. fou, fu, feu, fire. See FOCUS.] [Formerly written also feuel.]

1. Any matter which serves as aliment to fire; that which feeds fire; combustible matter, as wood, coal, peat, &c.
2. Any thing that serves to feed or increase flame, heat, or excitement.