甲壳 Traditional form: 甲殼 Pinyin (reading): jiǎqiào Definitions: carapace crust outer shell also pr. (jiǎké) Characters: 甲 - armor, shell; fingernails; 1st heavenly stem 壳 - casing, husk, shell Traditional characters: 甲 - armor, shell; fingernails; 1st heavenly stem 殼 - casing, husk, shell