Crowbar

Noun

 * 1) an iron or steel bar, often with a flattened end which may also be hook-shaped, to be used as a lever to manually force things apart
 * 2) An electrical circuit that prevents an overvoltage from causing damage

Synonyms

 * jemmy
 * jimmy
 * nail bar
 * pry bar
 * pinchbar

Verb

 * 1) To use force to move something

Thesaurus
aspirator, bar, beam, boom, cant hook, claw bar, corkscrew, crank, crow, extractor, forceps, get a foothold, get leverage, handspike, iron crow, jimmy, lever, limb, marlinespike, outrigger, peavey, pedal, pincers, pinch bar, pipette, pliers, press, prize, pry, pump, ripping bar, separator, siphon, spar, treadle, tweezers, vacuum pump, wedge, wrecking bar, wringer