Animal

1. A multicellular organism, differing from plants in their ability to move, with responses to external stimuli, restricted growth, and with a fixed body structure. Many animals roam free in Africa. Whale are animals
2. An animal organism other than a human being, especially a mammal. Giraffes are the tallest of the animals.
3. A person who behaves in a bestial or brutish manner. He was an animal when he got drunk.