from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A Roman Catholic organization composed of both clergy and lay members and dedicated to fostering Christian principles at all levels of society.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- proper n. short for The Prelature of the Holy Cross and Opus Dei, a Roman Catholic organization composed of a prelate, secular clergy and lay people whose mission is to spread the Catholic teaching that everyone is called to become a saint; its lay members, men and women, engage in the affairs of the world and seek to direct them "according to God's will".
New Latin Opus Deī, work of God : Latin opus, work + Latin Deī, genitive of Deus, God.(American Heritage® Dictionary of the English Language, Fourth Edition)