Abdomen (noun)

1. The part of the body of an animal or human between the thorax and the pelvis, containing the stomach, intestines, liver, spleen, and pancreas.
2. The part of an insect's body that contains the digestive organs.
3. The part of a flower that contains the reproductive organs.

Origin:

From latin abdomen, from abdō, abdere "to hide".

Examples:

1. The patient complained of pain in the abdomen.
2. The abdomen of an ant.
3. The abdomen of a flower holds the reproductive organs.
4. Abdomen is the part of the body that contains internal organs.
5. The abdomen is a complex part of the body that includes several organs.