螺丝刀 Traditional form: 螺絲刀 Pinyin (reading): luósīdāo Definitions: screwdriver CL:把 (bǎ) Characters: 螺 - spiral shell, conch; spiral 丝 - silk, fine thread; wire; strings 刀 - knife; old coin; measure Traditional characters: 螺 - spiral shell, conch; spiral 絲 - silk, fine thread; wire; strings 刀 - knife; old coin; measure