Monseigneur
From BiblePortal Wikipedia
Webster's Dictionary [1]
(n.) My lord; - a title in France of a person of high birth or rank; as, Monseigneur the Prince, or Monseigneur the Archibishop. It was given, specifically, to the dauphin, before the Revolution of 1789. (Abbrev. Mgr.)
Cyclopedia of Biblical, Theological and Ecclesiastical Literature [2]
(my lord), a French title, once applied to saints, and subsequently to princes, nobles, certain high dignitaries of the Church, and other titled personages, is now only given to prelates. The Italian monsignore has a similar signification.
