noun
Used in contexts such as the Old/New Testament of the Bible, or a person's last will and testament.
新約聖書は「新約テスタメント」とも呼ばれる。
The New Testament is also called the 'New Testament'.
彼は遺言書を「最後のテスタメント」と表現した。
He referred to his will as his 'last testament'.