2 definitions
for Substraction
From The Collaborative International Dictionary of English v.0.48 :
Substraction \Sub*strac"tion\, n. [OF. substraction, F.
soustraction. See Subtract.]
1. Subtraction; deduction. [Obs.]
[1913 Webster]
2. (Law) See Subtraction, 3.
[1913 Webster]
From Bouvier's Law Dictionary, Revised 6th Ed (1856) :
SUBSTRACTION, French law. The act of taking something fraudulently; it is
generally applied to the taking of the goods of the estate of a deceased
person fraudulently. Vide Expilation.