Definition of watch
follow with the eyes
or the mind; "Keep an eye on the baby, please!"; "The world
Sarajevo"; "She followed the men with the binoculars"
see or watch; "view a show
on television"; "This program will
be seen all over
the world"; "view an exhibition"; "Catch a show
on Broadway"; "see a movie"
be vigilant, be on the lookout
or be careful; "Watch out for pickpockets!"
out, learn, or determine with certainty, usually
effort; "I want
to see whether she speaks French"; "See whether it works"; "find out if he speaks Russian"; "Check whether the train
leaves on time"