- a man; gentleman
- [M-] French title, equivalent to Mr. or Sir
Origin of monsieurFr, literally , my lord (see sire): origin, originally applied to men of high position
- Abbr. M Used as a courtesy title before the surname, full name, or professional title of a man in a French-speaking area: Monsieur Cartier; Monsieur Jacques Cartier.
- monsieur Used as a form of polite address for a man in a French-speaking area.
Origin of MonsieurFrench from Old French mon my ( from Latin meum ) ( accusative of meus ; see me-1 in Indo-European roots.) sieur lord, sir ( from Vulgar Latin seiorem ) ( accusative of *seior ; see sire . )