noun
trench gun; combat shotgun
Refers to a military shotgun, especially the Winchester M1897 used in trench warfare. The term is a direct loan from English and is used in military or historical contexts.
第一次世界大戦で、アメリカ軍はトレンチガンを塹壕戦に投入した。
In World War I, the U.S. military deployed trench guns for trench warfare.
このゲームではトレンチガンが近距離戦で非常に強力だ。
In this game, the trench gun is extremely powerful in close-quarters combat.