noun
abdomen
AB-duh-muhn/ˈæbdəmən/
The region of an animal's body containing the main digestive organs.
The teaching model shows the abdomen below the chest and above the pelvis.

Etymology
Latin abdomen meant “belly.” English first used the word for belly flesh or meat before applying it anatomically to the region between the diaphragm and pelvis; the Latin word's deeper origin is unknown.
In context
the abdomen which is between the diaphragm and the pelvis and we have the pelvis which includes the hips
More examples
- The doctor examined her abdomen.
- A bandage covered the lower abdomen.
- The insect's abdomen extended behind its thorax.
Forms
abdomen · abdomens · abdomina
abdominal adjective — Relating to the abdomen.