watchdog
//ˈwɒtʃ.dɒɡ//
Noun
watchdogSingular
watchdogsPlural
1
A dog kept to guard a building or property against intruders.
We have a watchdog to protect our house at night.
2
A person or organization that monitors the practices of companies or governments to ensure they are acting legally and ethically.
The consumer watchdog issued a warning about the company's misleading advertisements.
Verb
1
To act as a watchdog; to monitor or oversee something for potential problems or wrongdoing.
The committee watchdogs government spending to prevent waste.