watch

a small portable timepiece

a period of time (4 or 2 hours) during which some of a ship's crew are on duty

a purposeful surveillance to guard or observe

look attentively; "watch a basketball game"

follow with the eyes or the mind; "Keep an eye on the baby, please!"; "The world is watching 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"

observe with attention; "They watched as the murderer was executed"

be vigilant, be on the lookout or be careful; "Watch out for pickpockets!"

find out, learn, or determine with certainty, usually by making an inquiry or other 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"