刀山火海 dāoshānhuǒhǎi extreme danger Origin Definitions Defs Strokes Stroke Words Sentences Sents 刀山 dāoshān mountain of swords (Buddhist mythology) a mountain in hell covered with sharp blades, often paired with a 火海 huǒhǎi火海 huǒhǎi sea of fire a vast area of intense flames; an inferno