ˈilēəs noun
( -es )
Etymology: Latin, from Greek eileos, ileos, from eilein, illein to roll
: obstruction of the bowel ; specifically : a condition that is commonly marked by painful distended abdomen, vomiting of dark or fecal matter, toxemia, and dehydration and that results when the intestinal contents back up because peristalsis fails although the lumen is not occluded — called also paralytic ileus