1.(禁止进入的地区) forbidden zone; restricted zone; out-of-bounds area: 空中禁区 restricted airspace; 那里是禁区, 不准过去。 You can't go there. That place is out-of-bounds.2.(自然保护区) preserve; reserve; natural park: 禁区内禁猎鸟兽 preserve game in natural park3.[足球] penalty area4.[篮球] restricted area