The lower part of the human torso below the navel, containing the abdominal organs and the sex organs.
example
Sie klagte über Schmerzen im Unterleib und ging deshalb zum Arzt.
She complained of pain in her lower abdomen and therefore went to the doctor.
Usage tips
Word composition
The word consists of 'Unter-' (lower part) and 'Leib'. 'Leib' is an older or more formal word for 'Körper' (body). The 'Unterleib' (lower abdomen) is therefore literally the lower part of the body.
EXAMPLE
Der Arzt untersuchte den Unterleib des Patienten.
The doctor examined the patient's lower abdomen.
Medical context
'Unterleib' (lower abdomen) is a term used mainly in medicine or in a formal, factual context. It sounds more precise and more formal than the word 'Bauch' (belly/abdomen).
EXAMPLE
Nach der Operation hatte er noch einige Tage Beschwerden im Unterleib.
After the operation, he still had discomfort in his lower abdomen for a few days.
Typical preposition
When talking about pain or discomfort, the preposition 'in' with the dative is almost always used: 'im Unterleib' (in the lower abdomen).
EXAMPLE
Bei Schmerzen im Unterleib sollte man einen Arzt aufsuchen.
If you have pain in your lower abdomen, you should see a doctor.
Compare with
near_synonym · confusable
Unterleib vs Bauch
belly / stomach
'der Bauch' and 'der Unterleib' both refer to an area at the front of the body. 'Der Bauch' is more general and is used in everyday language for the whole area between the chest and the pelvis. 'Der Unterleib' is more precise: it means the lower part of the belly/abdomen, below the navel. The word often sounds more medical or serious. The words can be confused because pain in this area may be described in similar ways. If you do not need to be precise, you usually say 'Bauch'. If you mean the lower area, especially at the doctor's, 'Unterleib' is more precise.
Unterleib
Ich habe seit gestern Schmerzen im Unterleib und gehe deshalb zur Ärztin.
I have had pain in my lower abdomen since yesterday, so I am going to the doctor.
Bauch
Nach dem Mittagessen tat mir bei der Arbeit der Bauch weh.