擬ぎ爆ばく弾だん

noun

dummy bomb; fake bomb

Refers to a non-functional bomb used for training, display, or deception. Not a common everyday word, but straightforward in meaning.

• 訓くん練れんでは擬ぎ爆ばく弾だんを使つかって爆ばく発はつ物ぶつ処しょ理りの手て順じゅんを練れん習しゅうした。

  In the training, we practiced bomb disposal procedures using a dummy bomb.