a period of time (4 or 2 hours) during which some of a ship's crew are on duty
the period during which someone (especially a guard) is on duty
observe with attention; "They watched as the murderer was executed"
observe or determine by looking; "Watch how the dog chases the cats away"
look attentively; "watch a basketball game"
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"
be vigilant, be on the lookout, be on one's guard, be careful; "Watch out for pickpockets!"
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"
preserve with sugar; "Mom always conserved the strawberries we grew in the backyard"
use cautiously and frugally; "I try to economize my spare time"; "conserve your energy for the ascent to the summit"
keep in safety and protect from harm, decay, loss, or destruction; "We preserve these archeological findings"; "The old lady could not keep up the building"; "children must be taught to conserve our national heritage"; "The museum curator conserved the ancient manuscripts"
keep constant through physical or chemical reactions or evolutionary change; "Energy is conserved in this process"