Related Clues:

• 14-Down's warning
• Burglar's deterrent, maybe
• Intruder alert?
• Spot announcement?
• Sound that might deter a burglar
• Burglar's worry, maybe
• Dogs do it
• Doberman's warning
• Fir coat?
• Initials may be carved in it
• Greeting from Spike
• Boxer's remark?
• Sound from a boxer
• Canine warning
• Cover in the woods