Vigil

имя существительное 1) бодрствование; дежурство 2) бессонница 3) пикетирование, демонстрация (у зданий официальных организаций) 4) [религия] а) канун праздника; пост накануне праздника б) (vigils) ночная служба

Большой англо-русский словарь

Vigil

noun Etymology: Middle English vigile, from Anglo-French, from Late Latin and Latin; Late Latin vigilia watch on the eve of a feast, from Latin, wakefulness, watch, from vigil awake, watchful; akin to Latin vigēre to be vigorous, vegēre to enliven — more at wake 1. a. a watch formerly kept on the night before a religious feast with prayer or other devotions b. the day before a religious feast observed as a day of spiritual preparation c. evening or nocturnal devotions or prayers — usually used in plural 2. the act of keeping awake at times when sleep is customary; also a period of wakefulness 3. an act or period of watching or surveillance; watch Example: kept vigil at her bedside

Merriam-Webster's Collegiate Dictionary