ˈilēəm noun
( plural il·ea -ēə)
Etymology: New Latin, from Latin ile, ilium, ileum groin, viscera; probably akin to Greek ilia female genitals, ilion female pubes, and perhaps to Polish jelito intestine, sausage, Russian liton'ya third stomach of ruminants
: the last division of the small intestine constituting the part between the jejunum and large intestine, in man forming the last three fifths of the part of the small intestine beyond the end of the duodenum, and being smaller and thinner-walled than the jejunum with fewer circular folds but more numerous Peyer's patches