Definition, Meaning & Synonyms

unilineal

adjective

/ˌjuː.nɪˈliː.ni.əl/

Definition

Relating to or denoting a system of descent in which individuals are traced through one gender only, either the male or female line, not both.

Examples

In a unilineal society, inheritance and family ties are recognized through one lineage.
Unilineal descent can be matrilineal, where lineage is traced through the mother, or patrilineal, where it is traced through the father.
Many ancient civilizations practiced unilineal descent systems that influenced their social structures.

Meaning

The term unilineal is used in anthropology and sociology to refer to the lineage or descent of a person being traced through just one side of the family, either through ancestors or descendants from the father’s side or the mother’s side.