Definition of fistula noun from the Oxford Advanced Learner's Dictionary



BrE BrE//ˈfɪstjʊlə//
; NAmE NAmE//ˈfɪstʃələ//
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an opening between two organs of the body, or between an organ and the skin, that would not normally exist, caused by injury, disease, etc. Word Originlate Middle English: from Latin, ‘pipe, flute, fistula’. Compare with fester.
See the Oxford Advanced American Dictionary entry: fistula