Dictionary definition · watch
noun
- 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
- the period during which someone (especially a guard) is on duty
- a person employed to keep watch for some anticipated event
- the rite of staying awake for devotional purposes (especially on the eve of a religious festival)
verb
- look attentively"watch a basketball game"
- follow with the eyes or the mind"Keep an eye on the baby, please!"
- see or watch"view a show on television"
- observe without intervening"They watched as the murderer was executed"
- be vigilant, be on the lookout or be careful"Watch out for pickpockets!"
- observe or determine by looking"Watch how the dog chases the cats away"
Source: Open English WordNet (CC BY 4.0).