Definitions
1.nounA guard dog
2.nounAn individual or group that monitors the activities of another entity (such as an individual, corporation, non-profit group, or governmental organization) on behalf of the public to ensure that entity does not behave illegally or unethically.
3.verbTo perform a function analogous to that of a watchdog; to guard and warn.
4.verbTo be continuously reset by a watchdog timer.