noun (common) (futsuumeishi) geology (volcanic) crater;caldera

noun (common) (futsuumeishi) burner (of a boiler)

noun (common) (futsuumeishi) burner;nozzle;origin of a fire

Higuchi

noun (common) (futsuumeishi) tinder;touchwood;charcloth

Hikuchi

noun (common) (futsuumeishi) volcanic cone