noun, noun or participle which takes 'suru', transitive verb, intransitive verb
destruction by fire; being burnt down
Used for buildings, structures, or property being destroyed by fire. Often appears in news reports. Can be used both intransitively (something burns down) and transitively (fire destroys something).
昨夜の火事で倉庫が焼失した。
The warehouse was destroyed by fire in last night's blaze.
大火
Many houses were burnt down by the great fire.