guard dog

Definitions of guard dog
  1. noun
    a dog trained to guard property
    synonyms: watchdog
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    long-established Hungarian breed of tall light-footed but sturdy white dog; used also as a hunting dog
    attack dog
    a watchdog trained to attack on command
    a dog trained to guard a house
    breed of small stocky black dogs originally used as watchdogs on boats in the Netherlands and Belgium
    any of three breeds of dogs whose ears and tail are usually cropped
    Doberman, Doberman pinscher
    medium large breed of dog of German origin with a glossy black and tan coat; used as a watchdog
    miniature pinscher
    small German version of a Doberman pinscher
    affenpinscher, monkey dog, monkey pinscher
    European breed of small dog resembling a terrier with dark wiry hair and a tufted muzzle
    type of:
    working dog
    any of several breeds of usually large powerful dogs bred to work as draft animals and guard and guide dogs
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