long gun

A firearm, such as a shotgun or rifle, which is fired while braced against the shoulder.

Japanese Meaning

肩にあてがって発射される火器、例えばショットガンやライフルなど、長い銃身を持つ銃器を指す。

She carried a long gun slung over her shoulder as she walked through the sparse campground at dawn.

彼女は夜明けにまばらなキャンプ場を歩きながら、肩に掛けた肩付け式の火器（ショットガンやライフル）を携えていた。

Sense（1）

A firearm, such as a shotgun or rifle, which is fired while braced against the shoulder.

long guns

（ plural ）