柴火 Traditional form: 柴火 Pinyin (reading): cháihuo Definitions: plant material used as fuel (firewood, straw, leaves etc) Characters: 柴 - firewood, faggots, fuel; surname 火 - fire, flame; to burn; anger, rage Traditional characters: 柴 - firewood, faggots, fuel; surname 火 - fire, flame; to burn; anger, rage