noun, noun or participle which takes 'suru'
defense; protection; safeguard
Formal term for defending or protecting something, often used in institutional or abstract contexts. Can be used as a noun or with する as a verb.
国家の保衛は政府の重要な責務だ。
The defense of the nation is an important duty of the government.
環境を保衛するために新しい法律が制定された。
New laws were enacted to protect the environment.