卜甲 Traditional form: 卜甲 Pinyin (reading): bǔjiǎ Definitions: oracle tortoise shell Characters: 卜 - divination, fortune-telling; prophecy 甲 - armor, shell; fingernails; 1st heavenly stem Traditional characters: 卜 - divination, fortune-telling; prophecy 甲 - armor, shell; fingernails; 1st heavenly stem