Definitions of lever:

• noun:   a rigid bar pivoted about a fulcrum
• noun:   a flat metal tumbler in a lever lock
• noun:   a simple machine that gives a mechanical advantage when given a fulcrum
• verb:   to move or force, especially in an effort to get something open
• name:  A surname (rare: 1 in 100000 families; popularity rank in the U.S.: #13472)