Source : Webster's Revised Unabridged Dictionary (1913)

Lifter \Lift"er\ (-[~e]r), n.
   1. One who, or that which, lifts.

   2. (Founding) A tool for lifting loose sand from the mold;
      also, a contrivance attached to a cope, to hold the sand
      together when the cope is lifted.

Source : WordNet®

lifter
     n 1: an athlete who lifts barbells [syn: {weightlifter}]
     2: a thief who steals goods that are in a store [syn: {booster},
         {shoplifter}]