(transitive) To create too large a fire in a fireplace, furnace, firebox, etc. / (transitive, ceramics) To fire at a high (or excessively high) temperature.

Of a boiler, furnace, or other heating device: relating to components or other things that are located above the fire.

Third-person singular simple present indicative form of overfire

(comparable, ceramics) Fired at a high (or excessively high) temperature. / (not comparable, cooking) Of a cooker: having a heat source that is above the food being cooked.

simple past tense and past participle of overfire

present participle of overfire