'Wrecker' definitions:

Definition of 'wrecker'

From: WordNet
noun
Someone who demolishes or dismantles buildings as a job
noun
Someone who commits sabotage or deliberately causes wrecks [syn: saboteur, wrecker, diversionist]
noun
A truck equipped to hoist and pull wrecked cars (or to remove cars from no-parking zones) [syn: tow truck, tow car, wrecker]

Definition of 'Wrecker'

From: GCIDE
  • Wrecker \Wreck"er\, n.
  • 1. One who causes a wreck, as by false lights, and the like. [1913 Webster]
  • 2. One who searches fro, or works upon, the wrecks of vessels, etc. Specifically: (a) One who visits a wreck for the purpose of plunder. (b) One who is employed in saving property or lives from a wrecked vessel, or in saving the vessel; as, the wreckers of Key West. [1913 Webster]
  • 3. A vessel employed by wreckers. [1913 Webster]