For terms relating to the vestments see the page UNDERSTANDING VESTMENTS
- Altar - a stone or wooden structure which forms the focal point of a Roman Catholic Mass
- Chalice - a vessel usually made of silver or gold used to hold the consecrated wine, theologically the blood of Christ, during a Roman Catholic Mass
- Consecrated - the process by which an artefact or building is dedicated to a sacred purpose.
- Convent - a community of religious sisters.
- French Revolution - a social and political upheaval in France from 1789 which destabilized the established social order.
- Jesuit - a priest who is part of the Society of Jesus, a religious order within the Roman Catholic Church. Formed in 1540 by St Ignatius Loyola, a Jesuit priest is noted by the letters 'SJ' after his name
- Medieval - a period of time roughly lasting from the 5th to the 15th century
- Orphrey - the band of embroidery on the front and back of vestments
- Paten - a small plate upon which bread is consecrated during a Roman Catholic Mass. It is usually made from precious metals to match the chalice
- Prince Bishop of Durham - from the 10th century until 1836, the Bishop of Durham was also granted powers of civil authority from the Crown over the County Palatine of Durham
- Recusant - from the Latin recusare 'to refuse' the word is used to describe English Catholics who refused to attend services in the established church
- Reformation - a 16th century movement in Western Christianity which posed a religious and political challenge to the Roman Catholic Church
- Secular Priest - a Roman Catholic priest who is not part of a religious order
- Seminary - an establishment for training Roman Catholic priests