Definition of dauphin
: the eldest son of a king of France
Origin of dauphin
Middle English dolphin, from Anglo-French dolphyn, from Old French dalfin, title of lords of the Dauphiné, from Dalfin, a surname
First Known Use: 15th century
Definition of Dauphin
island SW Alabama at entrance to Mobile Bay
Learn More about dauphin
Britannica.com: Encyclopedia article about "dauphin"
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