忍にん者じゃ刀とう

noun

ninja sword

A straight-bladed sword traditionally associated with ninja, often shorter than a katana and with a square guard.

• 忍にん者じゃ刀とうは、忍にん者じゃが使つかっていたとされる刀かたなです。

  The ninja sword is a sword said to have been used by ninja.