What is Nurture?

Legal Definition
The act of taking care of children and educating them: the right to the nurture of children generally belongs to the father till the child shall arrive at the age of fourteen years, and not longer. Till then, he is guardian by nurture. Co. Litt. 38 b. But in special cases the mother will be preferred to the father; 5 Binn. R. 520; 2 S. & R. 174; and after the death of the father, the mother is guardian by nurture. Fl. 1. 1, c. 6; Com. Dig. Guardian, D.
-- Bouviers Law Dictionary
Legal Definition
The act of inking care ot children, bringing them up, and educating them. Regina v. Clarke, 7 El. & BL 193.
-- Black's Law Dictionary
Legal Definition
To educate.
-- Ballentine's Law Dictionary