- dolphinA carnivorous cetacean, typically with a beak-like snout, famed for their intelligence and occasional willingness to approach humans.
- dauphinThe 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.
- delphineOf, pertaining to, or characteristic of dolphins.
- delphinRelating to the dauphin of France; delphinal
- DelphinusA small summer constellation of the northern sky, said to resemble a dolphin. It lies between the constellations Cygnus and Aquila.
- delphinicRelating to dolphins; delphine.
- delphinionA temple dedicated to Apollo Delphinios.
- delphinoidPertaining to, or resembling, the dolphin