蛮ばん刀とうばんとうMeanings1nounbarbarian's swordHistorical term for a sword used by non-Japanese peoples, often with a nuance of foreignness or uncivilized origin. Rare in modern usage.蛮ばん刀とうは、異い民みん族ぞくの使つかう刀かたなを指さす古ふるい言こと葉ばだ。Bantō is an old word for a sword used by foreign peoples.