Watchdog

['wɒtʃdɒg] or ['wɑtʃdɔɡ]

(noun.) a dog trained to guard property.

(noun.) a guardian or defender against theft or illegal practices or waste; 'she is the global watchdog for human rights abuses'.

Checked by Cindy--From WordNet

(n.) A dog kept to watch and guard premises or property, and to give notice of the approach of intruders.

Typed by Floyd

Edited by Carlos