watch definition

1. a small portable timepiece
2. a period of time (4 or 2 hours) during which some of a ship's crew are on duty
3. a purposeful surveillance to guard or observe
4. the period during which someone (especially a guard) is on duty
5. look attentively
• examples: watch a basketball game
6. follow with the eyes or the mind
• examples: Keep an eye on the baby, please!
• examples: The world is watching Sarajevo
• examples: She followed the men with the binoculars
7. see or watch
• examples: view a show on television
• examples: This program will be seen all over the world
• examples: view an exhibition
• examples: Catch a show on Broadway
• examples: see a movie
8. observe with attention
• examples: They watched as the murderer was executed
9. be vigilant, be on the lookout or be careful
• examples: Watch out for pickpockets!
10. observe or determine by looking
• examples: Watch how the dog chases the cats away