吃刀 Traditional form: 吃刀 Pinyin (reading): chīdāo Definitions: penetration of a cutting tool Characters: 吃 - to eat; to drink; to suffer, to endure, to bear 刀 - knife; old coin; measure Traditional characters: 吃 - to eat; to drink; to suffer, to endure, to bear 刀 - knife; old coin; measure