Liver (noun)

1. A large internal organ in the abdominal cavity of mammals, birds, and some other animals, which detoxifies harmful substances, produces bile, and stores glycogen.
2. The liver of an animal used as food.

Origin:

Old english lifer, from a germanic word meaning "liver", "life"; related to life.

Examples:

1. The liver plays a vital role in the body's metabolism and digestion.
2. Liver disease can be caused by alcohol abuse.
3. Liver and onions is a classic dish.
4. Some people believe that eating the liver of certain animals can improve one's health.
5. The liver of a chicken is smaller than that of a cow.