guard dog

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guard dog

large, aggressive dog trained to attack intruders; usually German shepherd dogs, Dobermanns, Rottweilers, Bull terriers. See also dog.
References in periodicals archive ?
The dogs arrived on 8 November at the Ruaha Carnivore Project and are from the CCF's Livestock Guard Dog programme.
It centres on a tennis ball that escapes from a guard dog and inadvertently goes on an adventure-filled night out around the city.
The area is so easy and tempting for theft and guard dogs seem to be the only suitable solution for all of us," said Maroof, who bought two puppies from a neighboring mechanic shop who had a growing family of dogs.
Surely a guard dog is not an animal you want roaming around the small children that you are so concerned would be hit by a stray bullet from the policeman's gun
At the same time, many families who purchase large guard dogs from quality breeders are unenthusiastic about training their puppies, preferring them to be aggressive and mean for security reasons.
In September, five-month-old Cadey-Lee Deacon was savaged in the pub where she was sleeping, after two rottweiler guard dogs went upstairs and took her out of her cot.
A police spokesman said the rottweilers, trained as guard dogs and kept on the roof of the pub, managed to get into the family's living quarters .
This breed of guard dog has a long history in Europe of protecting flocks of sheep and herds of goats from predators, such as bears and wolves.
Some products can also function as guard dogs to prevent additional spyware from being installed.
The Carriage suite features Dalmatian-print pillows and blankets in honor of the breed's history as carriage guard dogs.
Livestock guard dogs, llamas, and donkeys for reducing livestock losses to predators.