Catholic Answers

O

O Antiphons
Seven antiphons to the Magnificat; so called because all begin with the interjection 'O'
O Deus Ego Amo Te
The first line of two Latin lyrics sometimes attributed to St. Francis Xavier, but of uncertain date and authorship
O Filii et Filiae
The first line of a hymn. celebrating the mystery of Easter
O Salutaris Hostia
The first line of the penultimate stanza of the hymn, 'Verbum supernum prodiens', composed by St. Thomas Aquinas for the Hour of Lauds in the Office of the Feast of Corpus Christi
Oates's Plot
A 'Popish Plot' which, during the reign of Charles II of England, Titus Oates pretended to have discovered
Oaths
An invocation to God to witness the truth of a statement
Obba
Titular see in Byzacena, northern Africa
Obedience
The complying with a command or precept
Obedientiaries
A name commonly used in medieval times for the lesser officials of a monastery who were appointed by will of the superior
Oblate Sisters of Providence
A congregation of negro nuns founded at Baltimore, Md., by the Rev. Jacques Hector Nicholas Joubert de la Muraille, for the education of colored children
Oblates of Mary Immaculate
Society, founded in 1816
Oblates of Saint Francis de Sales
A congregation of priests founded originally by Saint Francis de Sales at the request of Saint Jane de Chantal
Oblati, Oblatae, Oblates
Any persons, not professed monks or friars, who have been offered to God, or have dedicated themselves to His service, in holy religion
Obligation
Legal bond which by a legal necessity binds us to do something according to the laws of our State
Obregonians
A small congregation of men, who professed the Rule of the Third Order of St. Francis
Obreption
Canonical term applied to a species of fraud by which an ecclesiastical rescript is obtained
Occasionalism
The metaphysical theory which maintains that finite things have no efficient causality of their own, but that whatever happens in the world is caused by God, creatures being merely the occasions of the Divine activity
Occasions of Sin
External circumstances whether of things or persons which either because of their special nature or because of the frailty common to humanity or peculiar to some individual, incite or entice one to sin
Occult Art, Occultism
Article deals with the form of Occultism known as 'Magic'
Occult Compensation
Extra-legal manner of recovering from loss or damage
Occurrence (in Liturgy)
The coinciding or occurring of two liturgical offices on one and the same day; concurrence is the succession of two offices, so that the second vespers of one occur at the same time as the first vespers of the other
Octavarium Romanum
A liturgical book, which may be considered as an appendix to the Roman Breviary, but which has not the official position of the other Roman liturgical books
Octave
The eighth day
Odilia, Saint
Patroness of Alsace, b. at the end of the seventh century; d. about 720
Odilo, Saint
Fifth Abbot of Cluny (q.v.), B. C. 962; d. December 31, 1048
Odo
Bishop of Bayeux and Count of Kent, b. in Normandy previous to 1037; d. at Palermo, February, 1097
Odo of Cambrai, Blessed
Bishop and confessor, called also Odoardus, b. at Orleans, 1050; d. at Anchin, June 19, 1113
Odo of Canterbury
Abbot of Battle, d. 1200, known as Odo Cantianus or of Kent
Odo of Cheriton
Preacher and fabulist, d. 1247
Odo of Glanfeuil
Abbot, ninth-century hagiographer
Odo, Saint (Abbot of Cluny)
Second Abbot of Cluny, b. 878 or 879, probably near Le Mans; d. November 18, 942
Odo, Saint (Archbishop of Canterbury)
Archbishop of Canterbury, d. June 2, 959
Odoric of Pordenone, Blessed
Franciscan missionary of a Czech family named Mattiussi, b. at Villanova near Pordenone, Friuli, Italy, about 1286; d. at Udine, Jan. 14, 1331
Odorico Raynaldi
Oratorian, b. at Treviso in 1595; d. at Rome, January 22, 1671
Oecumenius
Bishop of Trikka (now Trikkala) in Thessaly about 990
Oettingen
Abbey
Offa
King of Mercia, d. July 29, 796
Offerings
Akin to offering, but almost exclusively restricted to matters religious
Offertory
The rite by which the bread and wine are presented (offered) to God before they are consecrated and the prayers and chant that accompany it
Office of the Dead
First Vespers, Mass, Matins, and Lauds
Ohio
The state
Oil of Saints
An oily substance, which is said to have flowed, or still flows, from the relics or burial places of certain saints
Ointment in Scripture
That the use of oily, fragrant materials to anoint the body is a custom going back to remote antiquity is evidenced by the Old Testament as well as other early literatures.
Oklahoma
The state
Olaf Haraldson, Saint
Martyr and King of Norway (1015-30), b. 995; d. July 29, 1030
Olaus Magnus
Swedish historian and geographer, b. at Skeninge, Sweden, 1490; d. at Rome, Aug. 1, 1558
Olba
A titular see in Isauria, suffragan of Seleucia
Old Catholics
The sect organized in German speaking countries to combat the dogma of Papal Infallibility
Old Chapter, The
The origin of the body, formerly known as the Old Chapter, dates from 1623
Old Hall
Near Ware, Hertfordshire, England, founded in 1793 after the fall of the English College, Douai, during the French revolution
Old Testament
Inspired Scriptures written before the time of Christ
Oldenburg
A grand duchy, one of the twenty-six federated states of the German Empire
Olenus
A titular see and suffragan of Patras, in Achaia Quarta
Oliva
A suppressed Cistercian abbey near Danzig in Pomerania
Oliver Almond
16th-century English priest and writer, b. in the diocese of Oxford.
Oliver Legipont
Benedictine, bibliographer, b. at Soiron, Limburg, Dec. 2, 1698; d. at Trier, Jan. 16 1758
Oliver Plunket, Venerable
Archbishop of Armagh and Primate of all Ireland, b. at Lougherew near Oldcastle, County Meath, Ireland, 1629; d. July 11, 1681
Olivetans
A branch of the white monks of the Benedictine Order, founded in 1319
Olivier de la Marche
Chronicler and poet, b. 1426, at the Chateau de la Marche, in Franche-Comte; d. at Brussels, 1501
Olivier Maillard
Celebrated preacher, b. about 1430; d. at Toulouse, July 22, 1502
Olympe-Philippe Gerbet
French bishop and writer; b. at Poligny, 1798; d. at Perpignan, 1864
Olympias, Saint
Pious, charitable, and wealthy disciple of St. John Chrysostom; b. 360-5; d. July 25, 408
Olympus
A titular see of Lycia in Asia Minor
Ombus
Titular see and suffragan of Ptolemais in Thebais Secunda
Omer, Saint
B. of a distinguished family towards the close of the sixth or the beginning of the seventh century, at Guldendal, Switzerland; d. c. 670
Omission
The failure to do something which one can and ought to do
Omnipotence
The power of God to effect whatever is not intrinsically impossible
Onias
Name of several Jewish pontiffs of the third and second centuries before Christ
Onno Klopp
Historian (1822-1903)
Onofrio Panvinio
Historian and archaeologist, b. at Verona, February 23, 1530; d. at Palermo, April 7, 1568
Ontario
Province of Canada
Ontologism
An ideological system which maintains that God and Divine ideas are the first object of our intelligence and the intuition of God the first act of our intellectual knowledge
Ontology
The science or philosophy of being
Ophir
In the Bible, designates a people and a country
Optatus, Saint
Bishop of Milevis, in Numidia, in the fourth century
Optimism
A metaphysical theory, or an emotional disposition
Oracle
A Divine communication given at a special place through specially appointed persons; also the place itself
Orange Free State
One of the four provinces of the Union of South Africa
Orans
Among the subjects depicted in the art of the Roman catacombs one of those most numerously represented is that of a female figure with extended arms known as the Orans, or one who prays.
Orate Fratres
The exhortation addressed by the celebrant to the people before the Secrets in the Roman Mass
Oratorio
A musical composition for solo voices, chorus, orchestra, and organ, to a religious text generally taken from Holy Scripture
Oratory
A place of prayer, but technically it means a structure other than a parish church, set aside by ecclesiastical authority for prayer and the celebration of Mass
Orcagna
B. at Florence, early in the fourteenth century; d. there, 1368
Orcistus
Titular see in Galatia Secunda
Ordeals
A means of obtaining evidence by trials, through which, by the direct interposition of God, the guilt or innocence of an accused person was firmly established, in the event that the truth could not be proved by ordinary means
Order and Abbey of Fontevrault
Situated in a wooded valley on the confines of Anjou, Tours, and Poitou
Order of Aviz
Military body of Portuguese knights
Order of Friars Minor
I. General History of the Order; II. The Reform Parties; III. Statistics of the Order; IV. The Various Names of the Friars Minor; V. The Habit; VI. The Constitution of the Order; VII. General Sphere of the Order's Activity; VIII. The Preaching Activity of
Order of Friars Minor Conventuals
One of the three separate bodies, with the Friars Minor and the Capuchins, which form what is commonly called the First Order of St. Francis
Order of Gilbertines
English order for women founded by St. Gilbert circa 1130
Order of Preachers
As the Order of the Friars Preachers is the principal part of the entire Order of St. Dominic, we shall include under this title the two other parts of the order: the Dominican Sisters (Second Order) and the Brothers of Penitence of St. Dominic (Third Ord
Order of Saint Lazarus of Jerusalem
Twelfth-century military order
Order of Saint Sylvester
Neither monastic nor military but a purely honorary title created by Gregory XVI, Oct. 31, 1841
Order of Servites
Fifth mendicant order, the objects of which are the sanctification of its members, preaching the Gospel, and the propagation of devotion to the Mother of God, with special reference to her sorrows
Order of the Holy Ghost
Religious order originating from a hospital in Rome
Order of the Knights of Christ
Military order which sprang out of the famous Order of the Temple
Order of the Presentation
Founded at Cork, Ireland
Order of the Swan
A pious confraternity, indulgenced by the pope, which arose in 1440
Order of the the Incarnate Word and Blessed Sacrament
Order founded in the early part of the seventeenth century by Jeanne Chezard de Matel
Order of Trinitarians
Founder, St. John of Matha, a native of Provence and a doctor of the University of Paris, conceived the project under the inspiration of a pious solitary, St. Felix of Valois, in a hermitage called Cerfroid, which subsequently became the chief house of th
Ordericus Vitalis
Historian, b. 1075; d. about 1143
Orders of Saint Anthony
Religious communities or orders under the patronage of St. Anthony the Hermit, father of monasticism, or professing to follow his rule
Orders of Saint George
Knights of St. George appear at different historical periods and in different countries as mutually independent bodies having nothing in common but the veneration of St. George, the patron of knighthood
Orders of the Annunciation, The
Penitential order founded by St. Jeanne de Valois
Ordinariate
All the various organs through which an ordinary, and especially a bishop, exercises the different forms of his authority
Ordinary
In ecclesiastical language, denotes any person possessing or exercising ordinary jurisdiction, i.e., jurisdiction connected permanently or at least in a stable way with an office, whether this connection arises from Divine law, as in the case of popes and
Ordines Romani
Histories of various Ordos
Oregon
The state
Oremus
Invitation to pray, said before collects and other short prayers and occuring continually in the Roman Rite
Organ
A musical instrument which consists of one or several sets of pipes, each pipe giving only one tone, and which is blown and played by mechanical means
Organic Articles
Law regulating public worship
Oriental Study and Research
Comprises the scientific investigation and discussion of all topics- linguistics, archaeology, ethnology, etc. connected with the East
Orientation of Churches
According to Tertullian the Christians of his time were, by some who concerned themselves with their form of worship, believed to be votaries of the sun
Orientius
Christian Latin poet of the fifth century
Oriflamme
A royal banner
Origen and Origenism
His life and works
Original Sin
I. Meaning; II. Principal Adversaries; III. Original Sin in Scripture; IV. Original Sin in Tradition; V. Original Sin in face of the Objections of Human Reason; VI. Nature of Original Sin; VII. How Voluntary
Orkneys
A group of islands lying to the north of Scotland
Orlandus de Lassus
Composer, b. at Mons, Hainault, Belgium, in 1520, d. at Munich, June 14, 1594
Oropus
Titular see, suffragan of Anazarbus in Cilicia Secunda
Orphans and Orphanages
The death of one or both parents makes the child of the very poor a ward of the community.
Orsini
One of the most ancient and distinguished families of the Roman nobility, whose members often played an important role in the history of Italy, particularly in that of Rome and of the Papal States
Orsisius
An Egyptian monk of the fourth century, was a disciple of Pachomius on the island Tabenna in the Nile
Orthodox Church
The technical name for the body of Christians who use the Byzantine Rite in various languages and are in union with the Patriarch of Constantinople but in schism with the Pope of Rome
Orthodoxy
Signifies right belief or purity of faith
Orthosias
A titular see of Phoenicia Prima, suffragan of Tyre
Ortolano Ferrarese
Painter of the Ferrara School, b. in Ferrara, about 1490; d. about 1525
Ortwin Gratius
Humanist; b. 1475; d. 1542
Orval
Formerly a Cistercian abbey in Belgian Luxemburg, Diocese of Trier
Osbald
King of Northumbria, d. 799
Osbern
Hagiographer, sometimes confused with Osbert de Clare alias Osbern de Westminister, b. at Canterbury and brought up by Godric, who was dean from 1058-80
Osbern Bokenham
English Augustinian friar and poet (1393 - ca. 1447)
Oscott
Hamlet north of Birmingham (England); location of St. Mary's College
Osee
One of the Minor Prophets
Osmund, Saint
Bishop of Salisbury, d. 1099
Osorio Francisco Meneses
Spanish painter, b. at Seville, 1630; d. probably in the same place, 1705
Ostensorium
A vessel designed for the more convenient exhibition of some object of piety
Ostiensis
Surname of Leo Marsicanus, Benedictine chronicler, b. about 1045; d. May 22, 1115, 1116, or 1117
Ostracine
Titular see and suffragan of Pelusium in Augustamnica prima
Ostrogoths
One of the two chief tribes of the Goths, a Germanic people
Oswald, Saint (Archbishop of York)
Archbishop of York, d. on February 29, 992
Oswald, Saint (king and martyr)
King and martyr; b., probably, 605; d. Aug. 5, 642
Oswin, Saint
King, and martyr, murdered at Gilling, near Richmond, Yorkshire, England, on August 20, 651, son of Osric, King of Deira in Britain
Otfried of Weissenburg
The oldest German poet known by name, author of the 'Evangelienbuch', a rhymed version of the Gospels, flourished in the ninth century, but the exact dates of his life are unknown
Othlo
A Benedictine monk of St. Emmeran's, Ratisbon, b. 1013 in the Diocese of. Freising; d. 1072
Othmar, Saint
Priest; d. Nov. 16, 759, on the island of Werd in the Rhine, near Eschnez, Switzerland
Ottavio Dei Petrucci
Inventor of movable metal type for printing mensural and polyphonic music, b. at Fossombrone near Urbino, Italy, June 18, 1466; d. there, May 7, 1539
Ottmar Luscinius
Alsatian Humanist, b. at Strasburg, 1487; d. at Freiburg, 1537
Otto II
King of the Germans and Emperor of Rome, son of Otto I and Adelaide, b. 955; d. in Rome, Dec. 7, 983
Otto III
German king and Roman emperor, b. 980; d. at Paterno, Jan. 24, 1002
Otto IV
German king and Roman emperor, b. at Argentau (Dept. of Orne), c. 1182; d. May 19, 1218
Otto of Freising
Bishop and historian, b. between 1111 and 1114, d. at Morimond, Champagne, France, September 22, 1158
Otto of Passau
Franciscan
Otto of St. Blasien
Chronicler, b. about the middle of the twelfth century; d. 23 July, 1223, at St. Blasien in the Black Forest, Baden
Otto Truchsess von Waldburg
Cardinal-Bishop of Augsburg (1543-73), b. at Castle Scheer in Swabia, Feb. 26, 1514; d. at Rome. April 2, 1573
Otto, Saint
Bishop of Bamberg, b. about 1060; d. June 30, 1139
Ottobeuren
Formerly a Benedictine abbey, now a priory, near Memmingen in the Bavarian Allgau
Ouen, Saint
Archbishop of Rouen, b. at Sancy, near Soissons about 609; d. at Clichy-la-Garenne, near Paris, Aug. 24, 683
Our Lady of Ambronay
Sanctuary of the Blessed Virgin at Ambronay, France
Our Lady of Arcachon
Miraculous image venerated at Arcachon, France
Our Lady of Charity of the Good Shepherd
An institute to provinde shelter for girsl and women
Our Lady of Perpetual Succour
The picture of Our Lady of Perpetual Succour is painted on wood, with background of gold.
Owen Roe O'Neill
B. 1582; d. near Cavan, Nov. 6, 1649
Oxford
One of the most ancient cities in England, grew up under the shadow of a convent, said to have been founded by St. Frideswide as early as the eighth century
Oxford Movement, The
1833-1845
Oxyrynchus
Titular archdiocese of Heptanomos in Egypt
Ozias
'Yahweh is my strength', name of six Israelites mentioned in the Bible
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Last updated: June 18 2009.