dauphin

Definitions:

The eldest son of the king of France previous to the Revolution of 1830, so called from the principality of Dauphine having been the appanage of the heir- apparent to the crown.
- Nuttall's Standard dictionary of the English language. By Nuttall, P.Austin. Published 1914. (noun) (n.) (noun)
The title of the eldest son of the king of France from 1349 to 1830.
- The Winston Simplified Dictionary. By William Dodge Lewis, Edgar Arthur Singer. Published 1919. (noun) (n.) (noun)
A title of the eldest son of the king of France prior to the revolution in 1830; his wife was called Dauphiness.
- Etymological and pronouncing dictionary of the English language. By Stormonth, James, Phelp, P. H. Published 1874. (noun) (n.) (noun)
Formerly a name given to the eldest son of the king of France.
- The american dictionary of the english language. By Daniel Lyons. Published 1899. (noun) (n.) (noun)
Title given to the eldest son of the king of France.
- The Clarendon dictionary. By William Hand Browne, Samuel Stehman Haldeman. Published 1894. (noun) (n.) (noun)

Usage examples:

When this daughter of the people, this peasant from Domremy, was admitted to the presence of the dauphin it is said that in amusement and in order to test the reality of her mission, Charles exchanged dress with one of his courtiers.
- A Short History of France by Mary Platt Parmele
The Duc is charged with the disposal of the property of the Dauphin and, when this task is accomplished, he and his family will follow the fallen fortunes of Charles the Tenth, and join him at Holyrood.
- The Idler in France by Marguerite Gardiner
The king and the queen, with the dauphin were present.
- Marie Antoinette And Her Son by Louise Muhlbach Official