Origin of dauphinFr, literally , dolphin: used as a proper name by the lords of Dauphiné, and hence as a title by the oldest son of the king after the province of Dauphiné was ceded to the crown
- The eldest son of the king of France from 1349 to 1830.
- Used as a title for such a nobleman.
Origin of dauphinMiddle English from Old French title of the lords of Dauphiné from Dalphin, Dalfin a surname from dalfin dolphin (from the device on the family's coat of arms) ; see dolphin .
- A city in Manitoba