Definition of: vespers

(ves′pərz) noun plural
Often cap.
1. Eccl. The sixth in order of the canonical hours.
2. Eccl. A service of worship in the late afternoon or evening; specifically, in the Anglican church, Evening Prayer; in the Roman Catholic Church, a public service on Sundays or holy days at which the office of vespers is said or sung.
3. The hour of vespers, usually about sunset. [<OF vespres <Med. L vesperae <L vespera evening]