To perform a function analogous to that of a watchdog; to guard and warn. / (electronics) To be continuously reset by a watchdog timer.

An observation tower in which a lookout keeps watch over prisoners, or looks out for fires, etc.

A strap of leather, metal etc that holds a wristwatch in place; a watchband.

(chiefly as the final element in compounds) Someone who observes something closely for professional reasons, such as an analyst or pundit.

One set to watch; a person who keeps guard, especially one who guards a building, or the streets of a city, by night.

A word used as a motto, as expressive of a principle, belief, or rule of action; a rallying cry.

A person who repairs (and originally made) watches.

(political philosophy) A government with the least necessary power over its citizens.

Alternative spelling of birdwatcher

Alternative form of whatcha