to look at (someone or something) for an amount of time and pay attention to what is happening
to give your attention to (a situation, an event, etc.)
to care for (someone or something) for a period of time in order to make sure that nothing bad or unwanted happens
2watchnoun
a device that shows what time it is and that you wear on your wrist or carry in a pocket
the act of giving your attention to someone or something especially in order to make sure that nothing bad or unwanted happens —usually + on or over
the act of looking for someone or something that you expect to see : the act of regularly checking to see if someone has arrived or if something has appeared or happened