Peculium
Black's Law Dictionary · Henry Campbell Black, M.A. · 1910
Black's Law Dictionary
LatIn Roman law. Such private property as might be held by a slave, wife or son who was under the patria potestas, separate from the property of the father or master, and in the personal disposal of the owner.
— Peculium castreuse. In Roman law. That kind of peculium, which a son acquired in war, or from his connection with the camp, (castrum.) Heinecc. Elem. lib. 2, tit. 9, § 474.