defense在法律文件中常用作名词，主要有一下四个意思：

1. 答辩、辩护、答辩理由、答辩根据

2. 辩护方/被告方

3. 票据抗辩权

4. 对非法暴力行为的反击、防御、防卫

在法律范畴，defense的常见搭配有：

the defense/defense attorney/ defense counsel 辩护律师

to someone's defense 为某人辩护

in defense of  保卫，为…而辩护

make a defense  进行辩护

powerful defense 有力的辩护

weak defense  无力的辩护

national defense  国防

defense budget  国防预算

Defense Department 国防部（美）

criminal Defense System 刑事辩护制度

defense au fond en droit 诉求不充分抗辩

defense au fond en fait 概括否认答辩

defense bases Compensation Act 《防御基地补偿法》（美）

defense of habitation 居住防卫权

defense of insanity 精神病的合法辩护

defense of others 防卫他人

defense of property 防卫财产

defense of self / self-defense 自身防卫

defense on the merits 实质性答辩

dilatory defense 延诉答辩

right to defense  抗辩权

例句：

1. It was a useful reminder that there were situations where the right to self-defense should hold sway over treaty obligations, but only to the extent that the treaty obligations in question restricted the exercise of such right to self-defense.

应当注意：存在着自卫权应超越条约义务的情况，但仅是在有关条约义务限制了行使这一自卫权的程度上。

2. The following rights and freedoms are expressly provided for: right to life, right to physical and mental integrity, individual freedom, right to defense, freedom of movement, personal and family privacy, inviolability of domicile, secrecy of correspondence, freedom of conscience, freedom of expression, right to information, right to education, access to culture, rights to protection of health, right to a healthy environment, right to vote, right to be elected, freedom of assembly, right of association, right to work and social protection of labour, prohibition of forced labour, right to strike, right of private property, economic freedom, right of inheritance, right to a decent standard of living, protection of children and young people, protection of disabled persons, right of petition, right of a person aggrieved by a public authority.

其中明确规定了以下权利和自由：生命权、身心健康权、个人自由、抗辩权、迁徙自由、个 人及家庭隐私权、住处不受侵犯权、通信保密权、良知自由、 言论自由、知情权、教育权、接触文化的权利、健康保护权、拥有健康环境的权利、选举权、被选举权、集会自由、结社自由、工作权与劳动社会保障权、禁止强迫劳动、罢工权、私有财产权、经济自由、继承权、享受体面生活的权利、儿童与青年受保护权、残疾人受保护权、请愿权、遭受公共部门侵害者的权利。

defense的派生词有defendant、codefendant、defender。

defendant 被告，被告人

例：

The jury found the defendant innocent.

陪审团判定被告是无辜的。

codefendant 共同被告

例：

The Court refused to release the author and codefendants on bail as there were insufficient guarantees that they would reappear for trial. 

法院拒绝保释提交人及共同被告人，理由是没有 充分保障确保他们将再次出庭受审。

defender 辩护人

例：

 To establish a legal aid fund to finance legal aid schemes, including public defender schemes, to support legal aid provision by legal or bar associations; support university law clinics; and sponsor non-governmental organizations.

设立为包括公设辩护人计划等法 律援助计划筹资的法律援助基金，以 便对法律协会或律师协会提供法律援助予以支持；对大学法律诊所予以支持； 并赞助非政府组织。