The Collaborative International Dictionary
Fistulous
Fistulous \Fis"tu*lous\, a. [Cf. F. fistuleux.]
Having the form or nature of a fistula; as, a fistulous ulcer.
Hollow, like a pipe or reed; fistulose.
--Lindley.
Wiktionary
fistulous
a. 1 Of or pertaining to a fistula 2 Resembling a reed; hollow and tubular
WordNet
Usage examples of "fistulous".
Her next view was a glistening, pink, fistulous cave-his mouth, stretched in the shape of a permanent scream.