Manumission
Black's Law Dictionary · Henry Campbell Black, M.A. · 1910
Black's Law Dictionary
The act of liberating a slave from bondage and giving him freedom. In a wider sense, releasing or delivering one person from the power or control of another.
See Fenwick v. Chapman, 9 Pet. 472, 9 L. Ed. 193; State v. Prall, 1 N. J. Law, 4.