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Mon·si·gnoralso mon·si·gnor (mŏn-sēn′yər)
n. Roman Catholic Church
1. A title conferred by the pope on a high-ranking male cleric, such as a protonotary apostolic.
2. A cleric holding such a title.
3. Abbr. Msgr. or Mgr. Used as a form of address prefixed to the name of such a cleric.
[Italian, from French Monseigneur; see Monseigneur.]
Mon′si·gnor′i·al (mŏn′sēn-yôr′ē-əl) adj.
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.
1. (Roman Catholic Church) having the ecclesiastical title of a Monsignor
2. (Roman Catholic Church) of or relating to a Monsignor
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014