[alsoC-] a formal prayer, as at the beginning of a Mass, in which sins are confessed: term used esp. in ref. to the traditional Latin Mass
Origin of confiteorMiddle English from LL(Ec), I confess: see confess
A prayer in which confession of sins is made.
Origin of ConfiteorLatin Cōnfiteor I confess, the first word of the prayer first person sing. present tense of confitērī to acknowledge ; see confess .