剃须刀 Traditional form: 剃鬚刀 Pinyin (reading): tìxūdāo Definitions: shaver razor Characters: 剃 - to shave 须 - beard; must; necessary 刀 - knife; old coin; measure Traditional characters: 剃 - to shave 鬚 - beard; must; necessary 刀 - knife; old coin; measure