2. A pipe for convejing water. [Obs.] Knight.
3. (Med.)
Defn: 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.
FISTULAR
Fis"tu*lar, a. Etym: [L. fistularis: cf. F. fistulaire.]
Defn: Hollow and cylindrical, like a pipe or reed. Johnson.
FISTULARIA
Fis`tu*la"ri*a, n. Etym: [NL., fr. L. fistula pipe.] (Zoöl.)
Defn: A genus of fishes, having the head prolonged into a tube, with the mouth at the extremity.
FISTULARIOID
Fis`tu*la"ri*oid, a. Etym: [Fistularia + -oid.] (Zoöl.)
Defn: Like or pertaining to the genus Fistularia.
FISTULATE Fis"tu*late, v. t. & i. Etym: [Cf. L. fistulatus furnished with pipes.]