What does the word crank mean?

Usage examples for crank

  1. He's a crank o' the first water; you'd ought to hear 'im talk. – Stories of the Foot-hills by Margaret Collier Graham
  2. " Crank it over to the left," Retief said. – Gambler's World by John Keith Laumer
  3. All of us began instantly to look about in search of the proper handle, seizing every crank and wheel in sight and striving to turn it. – Edison's Conquest of Mars by Garrett Putman Serviss