1. (military) military action or resources protecting a country against potential enemies;

   "they died in the defense of Stalingrad"
   "they were developed for the defense program"
   

2. protection from harm;

   "sanitation is the best defense against disease"
   

3. (sports) the team that is trying to prevent the other team from scoring;

   "his teams are always good on defense"
   

4. the justification for some act or belief;

   "he offered a persuasive defense of the theory"
   

5. (psychiatry) an unconscious process that tries to reduce the anxiety associated with instinctive desires

6. the federal department responsible for safeguarding national security of the United States; created in 1947

7. the defendant and his legal advisors collectively;

   "the defense called for a mistrial"
   

8. the speech act of answering an attack on your assertions;

   "his refutation of the charges was short and persuasive"
   "in defense he said the other man started it"
   

9. an organization of defenders that provides resistance against attack;

   "he joined the defense against invasion"
   

10. a structure used to defend against attack;

    "the artillery battered down the defenses"
    

11. a defendant's answer or plea denying the truth of the charges against him;

    "he gave evidence for the defense"
    

12. the act of defending someone or something against attack or injury;

    "a good boxer needs a good defense"
    "defense against hurricanes is an urgent problem"
    

1. -> see defence

1. 防守：传球进攻(passing) 跑动进攻(rushing) 接球(receving) 防守(defense) 阻挡(blocking) 第一部分 passing 也可以说是四分卫 QB持孤岛危机(crysis)这个游戏里一个很吸引人的地方就是那些外星异形带来的神秘感.