Source : Webster's Revised Unabridged Dictionary (1913)

Crowbar \Crow"bar`\ (kr?"b?r), n.
   A bar of iron sharpened at one end, and used as a lever.

Source : WordNet®

crowbar
     n : a heavy iron lever with one end forged into a wedge [syn: {wrecking
         bar}, {pry}, {pry bar}]