大刀 だいとう (Japanese) long sword #24,842 Meanings noun (Japanese) long sword; large sword guandao; Chinese glaive たち also 太刀 noun long sword (as opposed to the shorter katana) Its kanji 大 ダイ、タイ · おお-、おお.きい、-おお.いに large, big 刀 トウ · かたな、そり sword, saber, knife