擲てき弾だん筒とう

noun

grenade launcher

A military device for launching grenades; the term is technical and not used in everyday conversation.

• 擲てき弾だん筒とうは歩ほ兵へいの重じゅう要ような装そう備びの一ひとつだ。

  The grenade launcher is one of the important pieces of equipment for infantry.