Agnation

n.

1.

(Civil Law) Consanguinity by a line of males only, as distinguished from cognation.

Noun

1.

agnation - line of descent traced through the paternal side of the family Synonyms: patrilineage

AGNATION, in descents. The relation by blood which exists between such males as are descended from the same father; in distinction from cognation or consanguinity, which includes the descendants from females. This term is principally used in the civil law.

patrilineage, unilateral descent