胸甲 Traditional form: 胸甲 Pinyin (reading): xiōngjiǎ Definitions: breastplate Characters: 胸 - breast, bosom; heart, mind 甲 - armor, shell; fingernails; 1st heavenly stem Traditional characters: 胸 - breast, bosom; heart, mind 甲 - armor, shell; fingernails; 1st heavenly stem