definition of
lever

[1] #1 lever n. a rigid bar pivoted about a fulcrum. wn

[2] #2 lever v. [pry, prise, prize, jimmy] 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". wn

[3] #3 lever n. a simple machine that gives a mechanical advantage when given a fulcrum. wn

[4] #4 lever n. [lever tumbler] a flat metal tumbler in a lever lock. wn