High Quality Content by WIKIPEDIA articles! The rosary (from Latin rosarium, meaning "Crown of Roses" or "garland of roses") is a Roman Catholic sacramental and Marian devotion to prayer and the commemoration of Jesus and events of his life. The term "Rosary" is used to describe both a sequence of prayers and a string of prayer beads used to count the prayers. The word is sometimes written with an initial capital in a Catholic context.