A guard dog, an attack dog or watch dog is a dog used to guard against, and watch for, unwanted or unexpected people or animals. The dog is discriminating so that it does not annoy or attack familiar people.
Read more about Guard Dog: Barking, Breeds, List of Breeds Commonly Used As Guard Dogs, List of Other Guard Dog Breeds
Famous quotes containing the words guard and/or dog:
“The old man forgot one thing. This England of his is Christian and Anglo-Saxon. And so are her corridors of power, and those who stalk them guard them with jealousy and venom.”
—Colin Welland (b. 1934)
“The dog is mentioned in the Bible eighteen times—the cat not even once.”
—W.E. Farbstein. Quoted in “Hundkeit,” Mondo Canine, ed. Jon Winokur, Dutton (1991)