fistula

fistula ae, f

a pipe, tube, water-pipe: fistulas praecidere: ferrea, L.—A reed-pipe, shepherd's pipe, pipes of Pan (of reeds differing in length and calibre): disparibus septem compacta cicutis, V.: tibiae carmina non sine fistulā, H.: eburneola, a pitch-pipe (to fix the pitch for an orator's voice).—An ulcer, fistula, N.