lever in WordNet English dictionary

1. to move or force, especially in an effort to get something open
   "The burglar jimmied the lock": "Raccoons managed to pry the lid off the garbage pail"
   pry  prise  prize  lever  jimmy 
   

1. a rigid bar pivoted about a fulcrum
   lever 
   
2. a flat metal tumbler in a lever lock
   lever  lever tumbler 
   
3. a simple machine that gives a mechanical advantage when given a fulcrum
   lever