蔡锷 Traditional form: 蔡鍔 Pinyin (reading): Cài E Definitions: Cai E (1882-1916), originator of the National protection army of 1915 Characters: 蔡 - a species of tortoise; surname 锷 - high, lofty; sharp; a knife's edge Traditional characters: 蔡 - a species of tortoise; surname