Jus necis
Defined in 3 dictionaries — Ballentine's (1916), Black's (1910), Black's (1891)
Ballentine's Law Dictionary
James A. Ballentine · 1916
The right of death, which the Romans possessed in respect to their children.
Black's Law Dictionary
Henry Campbell Black, M.A. · 1910
In Roman law. The right of dcath or of putting to dcath. A right which a father anciently had over his children.
A Dictionary of Law
Henry Campbell Black · 1891
In Roman law. The right of death, or of putting to death. A right which a fabher anciently had over his children. Jus non habenti tute non paretur. One who has no right cannot be safely obeyed. Hob, 146, Jus non patitur utidem bis solvatur. Law does not suffer that the same thing be twice paid.