# ileum

> English word · Noun · frequency rank #99,398

## Definitions
1. The last, and usually the longest, division of the small intestine; the part between the jejunum and large intestine.

## Etymology
Via Medieval Latin from Latin ilia.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/ileum