A title bestowed on certain high-ranking Roman Catholic priests, usually by the pope. It derives from Italian Monsignore, ‘my lord’, which sometimes causes the Italian plural Monsignori to be used rather than Monsignors. It is used as a...

Monsignor, pl. monsignori, is the form of address for those members of the clergy of the Roman Catholic Church holding certain ecclesiastical honorific titles. Monsignor is the apocopic form of the Italian monsignore, from the French mon seigneur,...