Latin. n. Shepherd's pipe, tube, waterpipe.
- A reed; a pipe. A pipe for conveying water.
- (Med.) A permanent abnormal opening into the soft parts with a constant discharge; a deep, narrow, chronic abscess; an abnormal opening between an internal cavity and another cavity or the surface; as, a salivary fistula; an anal fistula; a recto-vaginal fistula.
- Incomplete fistula (Med.), a fistula open at one end only.