Definition of true dolphin
: a dolphin of the genus Delphinus
Start your free trial today and get unlimited access to America's largest dictionary, with:
- More than 250,000 words that aren't in our free dictionary
- Expanded definitions, etymologies, and usage notes
- Advanced search features
- Ad free!
Origin and Etymology of true dolphin
so called to distinguish it from other cetaceans commonly called dolphins
Seen and Heard
What made you want to look up true dolphin? Please tell us where you read or heard it (including the quote, if possible).