English Dictionary

bilateral descent

noun

Descent traced from all biological descendants, regardless of sex and side of the family. / Descent traced from an ancestor, regardless of sex and side of the family of the intervening generations.

Bilateral descent is a system of tracing descent from all biological descendants.

意味（1）

Descent traced from all biological descendants, regardless of sex and side of the family.

意味（2）

Descent traced from an ancestor, regardless of sex and side of the family of the intervening generations.

Only by bilateral descent is a boy related to his mother's grandfather.