The legal procedure of formally making a person someone else's child (adoption); placing a child into another's family registry.
両親は経済的理由で、子どもを養子縁組に出すことを決めた。
The parents decided to place their child for adoption for financial reasons.
養子縁組の手続きを市役所で行った。
We completed the adoption procedures at the city hall.
彼は法律上の父との養子縁組により姓が変わった。
His family name changed due to an adoption by his legal father.
日本では養子縁組には家庭裁判所の許可が必要な場合がある。
In Japan, adoption sometimes requires permission from the family court.