noun
Used in sports contexts to refer to the arrangement or positioning of players on a field or court.
サッカーの試合で、チームは4-4-2のフォーメーションを採用した。
In the soccer match, the team adopted a 4-4-2 formation.
陣形 is a native Japanese term for battle formations or tactical arrangements, often used in military or historical contexts, while フォーメーション is a loanword primarily used in sports.
Loanword from English 'formation', used mainly in sports contexts.