Cetacean
(noun)
A marine mammal of the order Cetacea, which includes whales, dolphins, and porpoises.
Origin:
The word cetacean is derived from the latin word cetus, which means whale, referring to the group of mammals that includes whales, dolphins, and porpoises.
Examples:
- Cetaceans are mammals that live in the ocean.
- Cetaceans are known for their intelligence and complex social behavior.
- The sperm whale is a cetacean.
- Orcas, also known as killer whales, are cetaceans.
- Cetaceans are protected by international conservation laws.