watchdog
pronunciation
                                            
                                                
                                                How to pronounce watchdog in British English:
                                                
                                                UK [ˈwɒtʃdɒɡ] 
                                                
                                            
                                        
                                            
                                                
                                                How to pronounce watchdog in American English:
                                                
                                                US [ˈwɑːtʃdɔːɡ]
                                                 
                                                
                                        
                                        
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                                                - Noun:
- a guardian or defender against theft or illegal practices or waste
- a dog trained to guard property
 
Word Origin
- watchdog (n.)
- also watch-dog, c. 1600, from watch (v.) + dog (n.). Figurative sense is attested by 1845.
Example
- 1. What use is a watchdog that does not bark ?
- 2. The press has been called the watchdog of good government .
- 3. What happens when nobody hears the watchdog bark ?
- 4. Many watchdog timers have a maximum period of around two seconds .
- 5. A watchdog timer can get a system out of a lot of dangerous situations .