DAUPHIN Meaning of DAUPHIN in English [ 'dɔ:fɪn , 'dəʊfa~ \]■ noun historical the eldest son of the King of France.OriginFr., from the family name of the lords of the Dauphiné, ult. a nickname meaning 'dolphin'. Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004