Noun:
1: watch, ticker a small portable timepiece
2: watch a period of time (4 or 2 hours) during which some of a ship's crew are on duty
3: watch, vigil a purposeful surveillance to guard or observe
4: watch the period during which someone (especially a guard) is on duty
5: lookout man, sentry, picket, watch, spotter, scout, sentinel, lookout a person employed to watch for something to happen
6: watch, vigil the rite of staying awake for devotional purposes (especially on the eve of a religious festival)
Verb:
1: watch look attentively; "watch a basketball game"
2: observe, watch, follow, watch over, keep an eye on 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"
3: take in, watch, see, view, catch 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"
4: watch, look on observe with attention; "They watched as the murderer was executed"
5: watch, look out, watch out be vigilant, be on the lookout, be on one's guard, be careful; "Watch out for pickpockets!"
6: watch observe or determine by looking; "Watch how the dog chases the cats away"
7: ascertain, watch, determine, learn, check, see, find out 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"