Index of Catholic Terminology

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K

Kerygma: The proclamation of the resurrection as the message of salvation.

Keys: Power of the Spiritual authority and jurisdiction in the Church, symbolized by the ñkeysî to the kingdom of heaven. Christ promised the keys to St. Peter and future heads of the Church.

Knights of Columbus: Fraternal organization for Catholic men. Knights of Columbus engage in religious and charitable projects in the United States, Canada, Puerto Rico, Mexico, and the Philippines.

Kyrie Eleison:Greek words meaning; "Lord have mercy". Sometimes said or sung in Greek during the penitential rite of the Mass.