竹たけ光みつ

noun

bamboo sword; bamboo imitation sword

A toy or prop sword made of bamboo, shaped like a katana or similar blade. Often used in children's play or as a stage prop.

• 子こ供どもたちは竹たけ光みつを振ふり回まわして遊あそんでいた。

  The children were playing, swinging bamboo swords around.

noun

dull sword; blunt sword

Figurative extension: a sword so dull it might as well be bamboo. Can be used humorously or disparagingly.

• その古ふるい刀かたなはまるで竹たけ光みつのように切きれなかった。

  That old sword was so dull it was practically a bamboo sword.