1. Members of the family Delphinidae, a group of toothed whales that includes dolphins and killer whales.
Usage: zoology; plural form; singular is delphinoid; scientific/technical term

Examples

• Delphinoids are highly intelligent marine mammals found in oceans and some rivers worldwide.
• The research team studied the communication patterns of various delphinoids in the Atlantic Ocean.
• Delphinoids, including bottlenose dolphins and orcas, are known for their complex social structures.
• Marine biologists classify delphinoids as some of the most cognitively advanced cetaceans.
• Many delphinoids are popular subjects for behavioral and ecological studies.