noun
distant fire; fire at a distance
Refers to a fire that is far away, or in cooking, a fire placed at some distance from the food (e.g., for slow grilling). The cooking sense is a specific application of the general meaning.
遠火でじっくり魚を焼く。
Grill the fish slowly over a distant fire.
山の向こうに遠火が見えた。
We saw a distant fire beyond the mountain.