prayer wheel - a cylinder with prayers written on it; each revolution counts as uttering the prayers; used especially by Buddhists in Tibet

asking, request - the verbal act of requesting

benediction, blessing - a ceremonial prayer invoking divine protection

collect - a short prayer generally preceding the lesson in the Church of Rome or the Church of England

commination - prayers proclaiming God's anger against sinners; read in the Church of England on Ash Wednesday

deprecation - a prayer to avert or remove some evil or disaster

thanksgiving, blessing, grace - a short prayer of thanks before a meal

intercession - a prayer to God on behalf of another person

invocation, supplication - a prayer asking God's help as part of a religious service

requiescat - a prayer for the repose of the soul of a dead person