dolphin
noun
- a highly intelligent marine mammal with a streamlined body and a long snout, known for its playful behavior and echolocation ability.
- The aquarium featured a dolphin show every afternoon.
- The pod of dolphins swam alongside the boat for miles.
- A dolphin jumped out of the water and splashed the tourists.
- Dolphins use a series of clicks and whistles to communicate with each other.
- Researchers are studying how dolphins navigate using echolocation.