大だい刀とう

noun

long sword; large sword

Refers to a Japanese long sword, typically a tachi or a large katana, often contrasted with 小刀 (しょうとう, short sword). Used in historical, martial arts, and descriptive contexts.

• 侍さむらいは大だい刀とうと小しょう刀とうを腰こしに差さしていた。

  The samurai wore a long sword and a short sword at his waist.

• この大だい刀とうは江え戸ど時じ代だいのものだ。

  This long sword is from the Edo period.

noun

guandao; Chinese glaive

Refers to a Chinese polearm with a heavy blade, known as a guandao or yanyuedao. This usage is less common and typically appears in discussions of Chinese weapons or historical comparisons.

• 中ちゅう国ごくの大だい刀とうは、長ながい柄えの先さきに大おおきな刃はが付ついている。

  The Chinese guandao has a large blade attached to the end of a long shaft.