Asperges (from Latin aspergere, to sprinkle) is the ceremony of sprinkling the congregation with holy water at the beginning of the Liturgy of St. Tikhon of Moscow (normally Sundays and high feast days) in the Western Rite. The liturgical impliments used by the celebrant for this ritual are a baton or brush for sprinkling, called an aspergill, and a vessel containing the water, called the asperorium. The rite of sprinkling is accompanied by singing a portion of Psalm 51: This, however, is substituted on Sundays and feast days from Easter to Whitsunday with verses from Ezekiel 47 and Psalm 118: