kyrie eleison

pos>n. & interj. [ Gr. ky`rie 'elei^son . ] [ 1913 Webster ]

1. (R. C. Ch.) Greek words, meaning “Lord, have mercy upon us, ” used in the Mass, the breviary offices, the litany of the saints, etc. Addis & Arnold. [ 1913 Webster ]

2. The name given to the response to the Commandments, in the service of the Church of England and of the Protestant Episcopal Church. [ 1913 Webster ]