Pupillaris substitutio
Defined in 2 dictionaries — Ballentine's (1916), Black's (1910)
Ballentine's Law Dictionary
James A. Ballentine · 1916
(Civil Law) The nomination of another besides his son as pupil to succeed, if the son should not be able or inclined to accept the inheritance or should die before he came of age to make a will.—Bouvier Law Dictionary.
Black's Law Dictionary
Henry Campbell Black, M.A. · 1910
Lat In the civit law. Pupillar substitution; the substitution of an heir to a pupil or ihfant under puberty. The substitution by a father of an heir to his children under his power, disposing of his own estate and theirs, in case the child refused to accept the inheritance, or died before the age of puberty. Hal-lifax, Civil Law, b. 2, c. 6, no. 64.