This is a glossary of terms used within theCatholic Church. Some terms used in everyday English have a different meaning in the context of the Catholic faith, including brother, confession, confirmation, exemption, faithful, father, ordinary, religious, sister, venerable, and vow.
Altarage – the revenue reserved for the chaplain (altarist or altar-thane) in contradistinction to the income of the parish priest, it came to signify the fees received by a priest from the laity when discharging any function for them
Archbishop – the bishop of an archdiocese, with limited jurisdiction over his suffragan sees; a titular and largely honorary designation granted to certain bishops, often Nuncios and other members of the Holy See diplomatic corps
Bishop – an ordained minister who holds the fullness of the sacrament of Holy Orders and is responsible for teaching the Catholic faith, ruling the Church, and sanctifying her people
Bishop emeritus (or Archbishop emeritus) – the title given to a retired bishop or archbishop
Catholicism – the body of the Catholic faith, its theologies and doctrines, its liturgical, ethical, spiritual, and behavioural characteristics, as well as a religious people as a whole
Catechism – a document containing an approved exposition of Church teachings
Declaration of Nullity – a canonical judicial sentence declaring that the matrimonial covenant was invalid from the beginning due to impediments or defect of consent
East–West Schism – forcibly divided medieval Christianity's Eastern (Greek) from its Western (Latin) jurisdiction, which later became known as the Eastern Orthodox Church and the Roman Catholic Church, respectively
Eucharist – a Christian sacrament, generally considered to be a commemoration of the Last Supper, in which Jesus Christ shared his Body and Blood with his disciples before his betrayal and crucifixion
Excommunication – a medicinal religious penalty that bars the person from reception of the sacraments, the rights of office, and other privileges in the Church
Faithful – the collective members of the church incorporated into it through sacramental baptism[2][3]
Fall of Man – the willful transition of the first humans from a state oforiginal holiness, in communion with God, to a state of guilt and perennial disobedience
Holy See – the episcopal jurisdiction of the Bishop of Rome (who is commonly known as the Pope), and is the preeminentepiscopal see of the Catholic Church, forming the central government of the Church
Limbo – an idea of speculative theology about the afterlife condition of those unbaptized who die in Original Sin rather than assigning them to the Hell of the damned. Limbo is not a formally defined doctrine of the Catholic Church
Roman Curia – "the complex of dicasteries and institutes that help the Roman Pontiff in the exercise of his supreme pastoral function for the good and service of the whole Church and of the particular Churches"[5]
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