1. watchdog; guard dog
2. Guard dogA 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 “Guard dog” on English Wikipedia
Read “番犬” on Japanese Wikipedia
Read “Guard dog” on DBpedia
Read “Guard dog” on English Wikipedia
Read “番犬” on Japanese Wikipedia
Read “Guard dog” on DBpedia
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