dauphin

Short definition from Wiktionary

Noun

1. 1
   The eldest son of the king of France. Under the Valois and Bourbon dynasties, the Dauphin of France, generally shortened to Dauphin, was heir apparent to the throne of France. The title derived from the main title of the Dauphin, Dauphin of Viennois.
2. 2
   An eldest son.
3. 3
   The title of a dauphin.

Proper noun

1. 1
   A placename: A commune of Alpes-de-Haute-Provence department, Provence-Alpes-Côte d'Azur region, France.
2. 2
   A placename: A city in Manitoba, Canada.
3. 3
   A placename: A rural municipality in western Manitoba, which surrounds the city; in full, the Rural Municipality of Dauphin.
4. 4
   A placename: A borough in Dauphin County, Pennsylvania, United States.
5. 5
   A placename: An unincorporated community in Henderson County, Texas, United States.