"wrecker" in the noun sense
someone who demolishes or dismantles buildings as a job
2. saboteur, wrecker, diversionist
someone who commits sabotage or deliberately causes wrecks
3. tow truck, tow car, wrecker
a truck equipped to hoist and pull wrecked cars (or to remove cars from no-parking zones)
Source: WordNet® (An amazing lexical database of English)
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