noun. blockage of the intestine (especially the ileum) that prevents the contents of the intestine from passing to the lower bowel.
Example sentences of the word ileus
1. Noun, singular or mass
If you have an ileus, you should not eat until it is resolved.
To confirm an ileus diagnosis, your physician may order an X-ray or CT scan.
3. Verb, base form
Low potassium levels lead to muscular weakness, fatigue, cardiac electrical problems and constipation due to ileus.