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Related to Opus Dei: illuminati
O·pus De·i(ō′pəs dā′ē, dā′)
A Roman Catholic organization founded in 1928, composed of both clergy and lay members and dedicated to fostering Christian principles at all levels of society.
[New Latin Opus Deī, work of God : Latin opus, work + Latin Deī, genitive of Deus, God.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Opus Dei(ˈəʊpəs ˈdeɪɪ)
1. (Roman Catholic Church) another name for divine office
2. (Roman Catholic Church) an international Roman Catholic organization of lay people and priests founded in Spain in 1928 by Josemaria Escrivá de Balaguer (1902–75), with the aim of spreading Christian principles
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014