simple past tense and past participle of watch

Wearing a watch.

(idiomatic) To be careful or cautious; to pay attention to what one is doing (usually imperative).

On duty as a guard or lookout / Vigilant; alert.

plural of watching

Alternative form of on watch.

The act of watching for the occurrence of fires, for example during wartime bombing raids or in forested areas in hot and dry conditions.

(nautical) The practice of having two alternate watches aboard a ship or vessel.

(idiomatic) To guard and protect.

(idiomatic) To be aware or conscious; to look closely or carefully; to use caution. Often used in the imperative.