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
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" Synonyms: determine, check, find out, see, ascertain, learn,
observe with attention; "They watched as the murderer was executed" Synonyms: look on,
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" Synonyms: view, see, catch, take in,
be vigilant, be on the lookout or be careful; "Watch out for pickpockets!" Synonyms: look out, watch out,
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" Synonyms: observe, follow, watch over, keep an eye on,