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