Noun wrecker has 3 senses
  1. wrecker - someone who demolishes or dismantles buildings as a job
    --1 is a kind of
    laborer, manual laborer, labourer, jack
    --1 has particulars: housewrecker, housebreaker; knacker
    Derived form: verb wreck1
  2. saboteur, wrecker, diversionist - someone who commits sabotage or deliberately causes wrecks
    --2 is a kind of destroyer, ruiner, undoer, waster, uprooter
    --2 has particulars: sleeper
    Derived form: verb wreck1
  3. tow truck, tow car, wrecker - a truck equipped to hoist and pull wrecked cars (or to remove cars from no-parking zones)
    --3 is a kind of truck, motortruck
    Derived form: verb wreck1
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