The Collaborative International Dictionary of English v.0.48:
Ileus \Il"e*us\, n. [NL., fr. Gr. ?, ?, fr. ? to roll up.]
(Med.)
A morbid condition due to intestinal obstruction. It is
characterized by complete constipation, with griping pains in
the abdomen, which is greatly distended, and in the later
stages by vomiting of fecal matter. Called also ileac
passion or iliac passion.
[1913 Webster]
The Collaborative International Dictionary of English v.0.48:
Ileac \Il"e*ac\, a. [See Ileum.]
1. (Anat.) Pertaining to the ileum. [Written also iliac.]
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2. See Iliac, 1. [R.]
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Ileac passion. (Med.) See Ileus.
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