also: けちえん
blood relationship; consanguinity
Refers to the abstract tie of shared blood or genetic connection. Often used in legal, anthropological, or formal contexts.
Marriage between people who are related by blood is prohibited by law.
I have no blood relationship with him, but we grew up like real brothers.
Refers to a person who is related by blood, as opposed to a relative by marriage or adoption. Often used in the plural 血縁者.
He is my only blood relative.
I also cherish relatives who are not related by blood.
I am related to him by blood.
This company gives priority to blood ties when choosing its successor.
They raised a child with no blood relation as their adopted son.
She searched for her blood relatives in her hometown.
kin group; consanguineous group