Source : Webster's Revised Unabridged Dictionary (1913)

Ablactation \Ab`lac*ta"tion\ n.
   1. The weaning of a child from the breast, or of young beasts
      from their dam. --Blount.

   2. (Hort.) The process of grafting now called {inarching}, or
      {grafting by approach}.

Source : WordNet®

ablactation
     n 1: the cessation of lactation
     2: the act of substituting other food for the mother's milk in
        the diet of a child or young mammal [syn: {weaning}]