戒刀 Traditional form: 戒刀 Pinyin (reading): jièdāo Definitions: Buddhist monk's knife (not used for killing) Characters: 戒 - to warn, to admonish; to swear off, to avoid 刀 - knife; old coin; measure Traditional characters: 戒 - to warn, to admonish; to swear off, to avoid 刀 - knife; old coin; measure