a punctuation mark (.) placed at the end of a declarative sentence to indicate a full stop or after abbreviations | a purposeful surveillance to guard or observe |
the monthly discharge of blood from the uterus of nonpregnant women from puberty to menopause | the rite of staying awake for devotional purposes (especially on the eve of a religious festival) |
an amount of time | a small portable timepiece |
the interval taken to complete one cycle of a regularly repeating phenomenon | a person employed to keep watch for some anticipated event |
a unit of geological time during which a system of rocks formed | a period of time (4 or 2 hours) during which some of a ship's crew are on duty |
the end or completion of something | the period during which someone (especially a guard) is on duty |
(ice hockey) one of three divisions into which play is divided in hockey games | |