noun
joint will; common will
A legal term for a single will made by two or more people together, typically spouses, disposing of their property. Not valid in all jurisdictions; in Japan, joint wills are generally not permitted under the Civil Code.
日本の民法では、共同遺言は認められていない。
Under Japanese civil law, joint wills are not permitted.
夫婦で共同遺言を作成できる国もある。
In some countries, spouses can make a joint will together.