护甲 Traditional form: 護甲 Pinyin (reading): hùjiǎ Definitions: armor bulletproof vest Characters: 护 - to defend, to guard, to protect; shelter; endorse 甲 - armor, shell; fingernails; 1st heavenly stem Traditional characters: 護 - to defend, to guard, to protect; shelter; endorse 甲 - armor, shell; fingernails; 1st heavenly stem