\Sub*duce"\, Subduct \Sub*duct"\, v. t. [L. subducere,
subductum; sub under + ducere to lead, to draw. See {Duke},
and cf. {Subdue}.]
1. To withdraw; to take away. --Milton.
2. To subtract by arithmetical operation; to deduct.
         If, out of that infinite multitude of antecedent
         generations, we should subduce ten.   --Sir M. Hale.