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Webster 1913 Edition

Adj.

[Cf. F.

agnatique

Pertaining to descent by the male line of ancestors.

“The agnatic succession.”

Blackstone.

Adj.

Pertaining to descent by the male line of ancestors.

agnatic ‎(comparative more agnatic, superlative most agnatic)

of the male bloodline; patrilineal
- 2013, John Middleton, E. H. Winter, Witchcraft and Sorcery in East Africa, page 203:
  Men accuse agnates of their own generation of bewitching them. Full brothers are not often suspected although half-brothers may be accused of witchcraft and agnatic cousins and more distant members of a man's minimal lineage are not unusual suspects.

of the male bloodline