verb

 

look at to look at something for a period of time

I watched him as he arrived.

 

be careful to be careful about something

She has to watch what she eats.

 

give attention to to give attention to a situation which is changing

We'll be watching the case with interest.

 

noun

 

clock a small clock on a strap that you fasten round your wrist (= lower arm)

I don't wear a watch.

 

attention when you watch or give attention to something or someone, especially to make sure nothing bad happens

We're keeping a close watch on the situation.