noun
defending zone
Sports term, especially in American football, referring to the area a team defends. Compare with エンドゾーン (end zone).
See also: エンドゾーン
相手チームがディフェンディングゾーンに入ってきた。
The opposing team entered the defending zone.
Variant with an interpunct, sometimes used for clarity.
エンドゾーン is the end zone where points are scored, while ディフェンディングゾーン is the area a team defends.
Borrowed from English 'defending zone'.