vigil, watch -- (the rite of staying awake for devotional purposes (especially on the eve of a religious festival))
Overview of verb watch
The verb watch has 7 senses
watch -- (look attentively; "watch a basketball game")
watch, observe, 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")
watch, view, see, catch, take in -- (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")
watch, look on -- (observe with attention; "They watched as the murderer was executed")
watch, look out, watch out -- (be vigilant, be on the lookout or be careful; "Watch out for pickpockets!")
watch -- (observe or determine by looking; "Watch how the dog chases the cats away")
determine, check, find out, see, ascertain, watch, learn -- (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")