アーミーナイフ

noun

multipurpose knife; Swiss Army knife

Refers to a folding pocketknife with multiple tools, especially the iconic Swiss Army knife. Used in everyday contexts for camping, outdoor activities, or as a handy tool.

• キャンプにアーミーナイフを持もっていく。

  I take a Swiss Army knife when I go camping.

• アーミーナイフで段だんボールを開あけた。

  I opened the cardboard box with a multipurpose knife.