godan verb (-ru), transitive verb
capture alive; take prisoner
Used for catching a person or animal without killing them. Often implies a deliberate effort to keep the target alive.
敵のスパイを生け捕ることに成功した。
They succeeded in capturing the enemy spy alive.
その珍しい蝶を生け捕って標本に
They caught the rare butterfly alive and made it into a specimen.