Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
ileus is a noun meaning "blockage of the intestine (especially the ileum) that prevents the contents of the intestine from passing to the lower bowel". It carries one recorded sense.
blockage of the intestine (especially the ileum) that prevents the contents of the intestine from passing to the lower bowel
Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.
Definitions, synonyms and semantic relations for ileus come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.