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a large aggressive dog trained to guard persons or property; watchdog.
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|Noun||1.||guard dog - a dog trained to guard property |
working dog - any of several breeds of usually large powerful dogs bred to work as draft animals and guard and guide dogs
kuvasz - 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
housedog - a dog trained to guard a house
schipperke - breed of small stocky black dogs originally used as watchdogs on boats in the Netherlands and Belgium
pinscher - any of three breeds of dogs whose ears and tail are usually cropped