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Noun: working dog  wur-king dóg
  1. Any of several breeds of usually large powerful dogs bred to work as draft animals and guard and guide dogs

Derived forms: working dogs

Type of: barker [informal], bow-wow [informal], Canis familiaris, dawg [non-standard], dog, doggie [informal], doggo [informal], doggy [informal], domestic dog, pooch [informal]

Encyclopedia: Working dog