The Collaborative International Dictionary of English v.0.48:

Pry \Pry\, n. [Corrupted fr. prize a lever. See Prize, n.]
   A lever; also, leverage. [Local, U. S. & Eng.]
   [1913 Webster]

   Pry pole, the pole which forms the prop of a hoisting gin,
      and stands facing the windlass.
      [1913 Webster]