noun, plural Messeigneurs [mey-se-nyœr] .
a French title of honor given to princes, bishops, and other persons of eminence.
a person bearing this title.
Also, monseigneur.

1590–1600; < French: my lord; see seigneur Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
Monseigneur (mɔ̃sɛɲœr)
n , pl Messeigneurs
Mgr a title given to French bishops, prelates, and princes
[literally: my lord]

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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Word Origin & History

1610, from Fr., title of honor equivalent to "my lord," from mon "my" + seigneur "lord," from L. seniorem, acc. of senior "older." Plural messeigneurs.
Online Etymology Dictionary, © 2010 Douglas Harper
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Encyclopedia Britannica


former French title, appearing without an adjoining proper name, used to refer to or address the dauphin, or grand dauphin, heir apparent to the crown. Monseigneur was first applied to Louis XIV's son Louis de France (d. 1711) and grandson Louis, duc de Bourgogne (d. 1712); later to Louis XV's son Louis de France (d. 1765); and finally to Louis XVI's son Louis (d. 1789). More generally, monseigneur was used as a title preceding the titles of dukes and other peers, marshals of France, ministers of state, councillors of state, and presidents of sovereign courts

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Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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