What is the meaning of Mammal?

An animal of the class Mammalia.

  1. Characterized by being warm-blooded, having hair or fur and producing milk with which to feed its young.
  2. Characterized by having vertebrae and three bones in the inner ear and one in the jaw.

Characterized by being warm-blooded, having hair or fur and producing milk with which to feed its young.

Characterized by having vertebrae and three bones in the inner ear and one in the jaw.

Source: wiktionary.org