Asperges is a name given to the rite of sprinkling a congregation with holy water. The name comes from the first word in the 9th verse of Psalm 51 in the Latin translation, the Vulgate, which is sung during the traditional form of the rite (or optionally in the ordinary rite) except during Eastertide. The 51st Psalm is also one of the antiphons th... Found on http://en.wikipedia.org/wiki/Asperges
(from the article `religious dress`) ...the chasuble is the cope, a garment not worn during the celebration of the mass but rather a processional vestment. It is worn by the celebrant ... Found on http://www.britannica.com/eb/a-z/a/113
As·per'ges noun [ Latin , Thou shalt sprinkle.] (R. C. Ch.) (a) The service or ceremony of sprinkling with holy water. (b) The brush or instrument used in sprinkling holy water; an aspergill. Found on http://www.encyclo.co.uk/webster/A/130