manumission

from WordNet (r) 3.0 (2006)
manumission
    n 1: the formal act of freeing from slavery; "he believed in the
         manumission of the slaves"
    
from The Collaborative International Dictionary of English v.0.48
Manumission \Man`u*mis"sion\, n. [L. manumissio: cf. F.
   manumission. See {Manumit}.]
   The act of manumitting, or of liberating a slave from
   bondage. "Given to slaves at their manumission." --Arbuthnot.
   [1913 Webster]
    
from Bouvier's Law Dictionary, Revised 6th Ed (1856)
MANUMISSION, contracts. The agreement by which the owner or master of a 
slave sets him free and at liberty; the written instrument which contains 
this agreement is also called a manumission. 
     2. In the civil law it was different from emancipation, which, properly 
speaking, was applied to the liberation of children from paternal power. 
Inst. liv. 1, t. 5 & 12; Co. Litt. 137, a; Dane's Ab. h.t. 
    

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