Noun
a dog trained to guard property
Source: WordNetguard-dog
Oh, I never kid about Artemis. I promised her I'd sit here and do nothing, so here I am doing nothing. Much like a really tall, bored guard dog. Personally, I'd rather be throwing myself onto an electric fence- be about the same, I think. (Acheron) Sherrilyn Kenyon
A guard dog cannot watch two homes at once. African Proverb
Because it is a natural guard dog, a Komondor that is not properly socialized may react in an excessively aggressive manner when confronted with a new situation or person. Source: Internet
Ansetta said after placing the Pyrenees with a farmer on Toledo Bend, there was a period of time when there was no guard dog for the farm animals. Source: Internet
In “Family Dog,” the lovably klutzy family pet Jonah runs away from home after his human family trains him to become a guard dog, and he becomes so vicious that he is soon adopted by the burglars he is supposed to attack. Source: Internet
In role of a guard dog, if an Azawakh senses danger it will bark to alert the other members of the pack, and they will gather together as a pack under the lead of the alpha dog, then chase off or attack the predator. Source: Internet