godan verb (-nu), intransitive verb
burn to death; die in a fire
Intransitive verb meaning to lose one's life by burning, typically in a fire or conflagration.
その火事で3人が焼け死んだ。
Three people burned to death in that fire.
もし逃げ遅れたら焼け死ぬかもしれない。
If you're late to escape, you might burn to death.