Definition of "wrecker"

(Australia) A person or company that dismantles old or wrecked vehicles or other items, to reclaim useful parts.  examples

One who breaks up situations or events.  examples

A tow truck.  examples

A mooncusser (type of land-based pirate).  examples

(Soviet Union, crime, historical) Someone accused of the formal charge of wrecking; that is, of undermining the state in intangible ways.