Definition: The word "BonJour" in French means "Happy Day". It is a term used to express joy or celebration, often accompanying a specific event like Christmas, New Year's Eve, Valentine's Day, or another special holiday. The word typically has its origin from the Latin "bono", meaning "good", and "jour" which comes from the Old French verb "douer". Bonjour is French for "Goodbye" and it is a way of greeting people when they leave or arrive at an event.