Definition of "watchdog" []

• A dog trained to guard people or property. (noun)
• One who serves as a guardian or protector against waste, loss, or illegal practices. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "But couldn't the Republicans have used the word "watchdog," which is the standard term, or at least found some other gender-neutral expression?"
• "I love the term watchdog whilstleblower has a “rat fink” type of conotation and “watchdog” doesn’t we need a movement"
• "The UK police watchdog is finally looking into the widespread use of anti-terrorism stop-and-search powers by cops."